Open source framework for creating, managing, and swapping NFTs and tokens
Leverage the most advanced open-source framework to create, manage and swap digital assets (ERC-721) and value tokens (ERC-20) on the blockchain.
Your friendly neighborhood decentralized Ethereum Short URL maker.
Social profiles for web3 applications.
Create a social profile for your Ethereum account to start building trust, connection, and community. All of your information in your control Create a profile to help others discover and recognize you. Sign in to apps by sharing your profile with one click. Collect data from apps to build a strong
Decentralised subscription payments on the Ethereum blockchain.
Streamlining payments for your digital organization Focus on building your business and not on managing payments via our integrated application or implementing our payment kit in a few lines of code. Benefits Digital organisations have digital needs. That’s where we come in to help. Scheduled : Make
Simple wallet-to-wallet token trading
Buy and sell tokens simply, securely, and without trading fees.
A decentralized social network built on Ethereum
Blockchain data, analytics, and visualization platform with Core API product & analytics tool suite
Make Ethereum data work for you Alethio is a powerful blockchain data, analytics & visualization platform. We recently released our Core API product & Alethio Analytics tool suite for Ethereum!
Easily interact with your dapp's state
Standard set of APIs and specifications used to interact with aragonOS-powered contracts by handling transaction pathing, upgradeability, and contract state without depending of a centralized service.
Command Line Interface is used to create and develop Aragon apps.
The aragonCLI (Command Line Interface) is used to create and develop Aragon apps.
Solidity framework for building complex dApps and protocols.
aragonPM is built on top of aragonOS
A package or repository (repo) in an aragonPM registry keeps track of evolving versions of its contents (the webapp component typically) and smart contract code (if applicable).
The UI toolkit used by Aragon
AragonUI is a React library used to build user interfaces for Aragon and its related projects. It provides the components needed to build experiences that feel integrated with Aragon ecosystem, and can be used both client or server side. Used by: Aragon Aragon apps by the core team aragon.org hack
A wallet for Ethereum-based crypto-assets and apps. Free Transaction. Free ENS
A radically better crypto wallet Enjoy the future of the web with the first smart wallet for Ethereum-based cryptocurrencies and apps. Unprecedented security and simplicity Argent is a user controlled wallet – meaning you’re the only one that can access your funds, not us nor anybody else. The most
Java Implementation of the Ethereum 2.0 Beacon Chain by Pegasys
Background PegaSys (Protocol Engineering Groups and Systems) is a 50-person team dedicated to enterprise grade blockchain at ConsenSys. Alongside supporting the public Ethereum Mainnet, the team works on privacy, permissioning, scalability, and other features to make Ethereum production-ready for
Arweave enables you to permanently host your web apps and pages, simply and quickly.
The traditional web and its data storage systems are fragile and liable to data loss. Now, Arweave’s permaweb enables you to build websites that live forever on a smart blockchain, all while keeping costs low and speeds high.
Drag and drop IDE to build Ethereum Dapps
The easiest way to build an Ethereum application. Create a decentralized application in minutes. Start building today. No code required. Features No Developer Required : Create an end-to-end application with our interface No Cryptocurrency Required : We manage transactions for you Rapidly Prototype
Prediction market protocol built on Ethereum
Augur is a trustless, decentralized oracle and prediction market. Individuals can speculate on the outcome of future events, those who forecast correctly win money and those that forecast incorrectly lose money. Augur was founded in 2014 and officially launched on the Ethereum mainnet on July 2018.
Authentication on Ethereum
Contract-based accounts allow the user to secure their funds with ease-of-mind by allowing tiered keys to act on the contract depending on their permission levels and attestations by higher tiered keys. Authereum is a fully non-custodial login process that utilizes ENS and web 2.0 style security to
An efficient zero-knowledge privacy protocol to enable private transactions on Ethereum.
The AZTEC protocol is a second-layer solutions that uses zero-knowledge proofs and confidential transactions to enable confidential transactions for any generic digital asset on Ethereum, including existing assets. The AZTEC protocol supports a stealth address protocol that can be used to obfuscate
Azure Blockchain extension for VS Code
Azure Blockchain Development Kit simplifies how you create, connect to, build and deploy smart contracts on Ethereum ledgers. Our Wiki page includes a comprehensive getting started guide with detailed usage instructions for this plugin
See your Balance in Open Finance
Add all of your Ethereum wallets and keep track of your tokens, loans and investments.
Decentralized exchange and lending, an 0x and bZx relayer
Decentralized, transparent digital ad exchange based on Ethereum Blockchain.
Basic Attention Token radically improves the efficiency of digital advertising by creating a new token that can be exchanged between publishers, advertisers, and users. It all happens on the Ethereum blockchain. The token can be used to obtain a variety of advertising and attention-based services on
Help your users get onboard.
Decentralized credit scoring and identity for blockchain.
Bloom is an end-to-end protocol for identity attestation, risk assessment, and credit scoring; entirely on the blockchain. Bloom allows both traditional and digital currency lenders to serve billions of people who currently cannot obtain a bank account or credit score. BloomID BloomID lets users
Non-custodial digital asset lending platform for secured loans originated, settled, serviced and managed on Ethereum
Borrow and lend digital assets Lend: peer-to-peer and to liquidity pools Borrow: peer-to-peer and from liquidity pools Non-custodial Collateral transparently stored in smart contracts Transactions settled on the Ethereum blockchain Use MetaMask, Ledger or Trezor wallets Loan Management Platform
A React library including Dapp components
This represents the core components we used to build our explorer found in this repo . Our documentation and interactive live demo of the components lives in storybook . This library is currently in alpha, and we are finalizing the pieces (build, structure, etc.) in order to make it a public, open
Freelance and bounty any task, pay with Ethereum
The Bounties Network empowers humans to incentivize and self-organize, from freelancing to grassroots social action, and anything in between. Whether it's for research, content translation, or video production, The Bounties Network lets you create projects, collaborate, and get paid for doing great
Python framework for deploying, testing and interacting with Ethereum smart contracts.
Follow the links.
A smart contract for creating decentralized token portfolios.
Bskt is a generic smart contract that creates decentralized token portfolios. Bskt facilitates the bundling and unbundling of a collection of ERC20 tokens in exchange for a new ERC20 token. Owners of the new token have a direct claim on the underlying tokens. Unlike traditional funds, custody is
Ethereum Buidling Guide
Buidl Guide is the Single point source where Ethereum / crypto enthusiast will find a way to buidl / contribute to the ecosystem. There are 1000s of people, organizations want to contribute their time and effort for the Ethereum ecosystem but they find hard where to start. Buidl Guide will be the
The extensible Solidity developer tool.
Buidler is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want. Flexible Use from the command line. Use as a library. Override default behaviour. Customize your workflow by creating your own tasks and installing
Burner wallet works in your mobile web browser like Safari without app downloads or secret keys.
Founded by Austin Griffith , The Burner Wallet is a wallet that allows users to interact with the xDai sidechain from POA . xDai is the USD-stable coin that is a representation of Dai but lives on the xDai Chain, instead of Ethereum mainnet. You can use the TokenBridge to convert Dai from Ethereum
A decentralized margin lending protocol on Ethereum.
The first decentralized margin lending protocol on the Ethereum mainnet. MINIMAL RISK Whether you’re a lender or borrower, you stay in control of your keys. Never worry about exchanges getting hacked or stealing your funds. PASSIVE INCOME Make money with the assets you already hold in your wallet
Protect your crypto from exchange hacks. CDx is a platform for tokenized, tradable insurance.
CDx is a protocol for default credit swaps. Default credit swaps are a financial product used as a protection from the default of another party. The swap buyer makes a series of payments during the insurance period and in case of a default, the buyer receives compensation. CDx implements swap
The income-generating social network, enabling anyone to earn money by sharing their wisdom and creativity. Built on Ethereum.
Open, decentralized platform to connect the global financial supply chain.
Centrifuge is an open, decentralized platform to connect the global financial supply chain. It allows any business to transact while maintaining ownership of their data, including their validated company details, their reputation, business relationships, and subsequent transactions.
Your smart contracts connected to real world data, events and payments.
ChainLink is blockchain middleware that allows smart contracts to access key off-chain resources like data feeds, various web APIs, and traditional bank account payments. By providing smart contracts secure access to these key resources, ChainLink allows them to mimic real world agreements that
Secure blockchain identity toolbox and ecosystem.
We are giving businesses & individuals the tools to control and protect identities. Secure Identity Platform Civic’s Secure Identity Platform (SIP) uses a verified identity for multi-factor authentication on web and mobile apps without the need for usernames or passwords. Civic Reusable KYC Satisfy
Civil is a community-owned platform for independent journalism.
Civil is owned and run by its community of journalists and their supporters. Built for journalism Anyone can start a newsroom or add their existing publication, provided they honor Civil's ethical journalism standards. There's no central authority or middleman present on Civil, it's 100% community
A protocol for credit scoring and microcredit on Ethereum
Decentralized credit scoring and microcredit. Blockchain based credibility evaluation and global identity for the sharing economy.
A platform for open organizations.
We believe that the most successful organizations of the future will be open. Openness is not about open plan offices or '20% time'. It's about how decisions get made, how labor is divided, and who controls the purse strings. In an open organization, you're empowered to do the work you care about
Open source protocol for algorithmic, efficient money markets on the Ethereum.
Compound is an open-source protocol for algorithmic, efficient Money Markets on the Ethereum blockchain.
Free, open-source p2p micropayment infrastructure, built with payment channels on Ethereum
Payments Reinvented Existing payment systems struggle with small, p2p transactions. We believe these transactions can be immensely valuable to creators, micromerchants, and machines. Meet Connext Ethereum already enables p2p, trust-minimized payments. Connext is the missing piece that cuts fees to
A decentralized lending and borrowing network.
Ethereum cryptography implementations for iOS framework
CryptoEthereumSwift implements necessary cryptographic features for Ethereum. This framwork is currently used in EthereumKit.
A smart contract management toolkit, From creation to management.
A smart contract management toolkit. A comprehensive smart contract management solution that enables developers, teams and organizations to effectively manage their entire smart contract lifecycle. From creation to management. Ctor UI - lets you visualize and interact with a smart contract's
Ethereum blockchain analytics for decentralized finance platforms
We build analytics products that deliver clarity and insight into Ethereum Smart Contract applications.
A USD-pegged stablecoin built on the Ethereum and governed by the MakerDAO system
Dai is an asset-backed stable currency created by the Maker Decentralized Autonomous Organization (MakerDAO). The Dai Stablecoin system maintains the stable value of Dai by ensuring that each Dai is always backed by a collateralized asset of more value. Single collateral Dai requires that each Dai
Reusable React Dapp components
Reusable dapp components in react: contract loader, metamask, gas, transaction ui, event parers, etc
Open-Source Protocols for Decentralized Margin Trading and Derivatives
We use smart contracts on Ethereum to issue tokens that represent the long and short side of an asset. Safety Our long and short tokens provide a safety net and hedge for cryptocurrency price risk Access Completely open contracts allow for anyone to access financial instruments. Power Increase
A decentralized finance live tracker Dashboard
A React library including Dapp components
This is basically semantic-ui-react themed with Decentrland's look & feel + some of our own components
The oracle Platform
For smart contracts, the oracle is the source of truth. Use our frameworks to decentralize this power.
Borrow, Lend and Experience crypto on Dharma.
A suite of smart contracts and developer tools that make it possible to borrow and lend crypto-assets on blockchains like Ethereum.
Using blockchain technology, we represent physical gold with DGX tokens, where 1 DGX represents 1 gram of gold on Ethereum.
Using blockchain technology, we represent physical gold with DGX tokens, where 1 DGX represents 1 gram of gold on Ethereum. The transparency, security, traceability of the blockchain ensures that DGX tokens can be transacted and transferred with full visibility and auditability. Not only does the
A network of decentralized markets on Ethereum that operate via DAOs by utilizing Aragon.
A network of decentralized markets and communities. Create, operate, and govern. Powered by Ethereum, Aragon, and IPFS.
Library for mocking smart contract dependencies during unit testing.
What the Doppelgänger is? doppelgänger /ˈdɒp(ə)lˌɡaŋə, ˈdɒp(ə)lˌɡɛŋə/ - an apparition or double of a living person. It’s a library for mocking smart contract dependencies during unit testing. Reduce the amount of code. Test are more readable. Tests run faster. 10 minutes to learn.
ERC721-based Software Licensing Framework.
A decentralized trading protocol for ERC20 Tokens
The DutchX is a fully decentralized trading protocol that allows anyone to add any trading token pair. It uses the Dutch auction principle to prevent the problems that other exchanges are experiencing (such as front running, issues with low liquidity, and third party risk), creating a more fair
Trading based on Dutch auction on Ethereum by Gnosis
DutchX is a protocol implementing Dutch action to perform trades of ERC20 tokens. Every 6 hours, a new action is started for each listed token. The price of a lot decreases with time. Traders place their bids based on what they think is a fair price. When the lot price will match the bids, a trade
Open-Source Protocols for Decentralized Margin Trading and Derivatives.
The most powerful open trading platform for crypto assets. Trade Open short or leveraged positions with leverage up to 4x. Trade on margin with borrowed capital. Borrow Borrow any supported asset directly to your wallet. Use existing crypto holdings as collateral. Lend Deposit funds to continuously
Framework for serverless Decentralized Applications using Ethereum, IPFS and other platforms.
Embark is a framework that allows you to easily develop and deploy Decentralized Applications (DApps). A Decentralized Application is a serverless html5 application that uses one or more decentralized technologies. Embark currently integrates with EVM blockchains (Ethereum), Decentralized Storages
Access Ethereum data as SQL, ElasticSearch and GraphQL
Reach your goals with blockchain data much faster, cheaper and with maximum flexibility. No need to run a full archive node or your own database if you just want to use blockchain data .
Scheduling of Transactions for Delayed Execution in the Future
Ethereum Alarm Clock (EAC) is a protocol for scheduled Ethereum transactions. The protocol defines financial incentives for miners to include a transaction at a specified time. A user that wants to create a transaction which needs to be executed in the future can use EAC. To do so, he needs to
Ethereum Name Service (ENS) is a decentralized domain name provider. It allows anyone to buy and manage .eth domains without relying on a centralized domain registrar.
ENS offers a secure & decentralised way to address resources both on and off the blockchain using simple, human-readable names.
PHP interface to Ethereum JSON-RPC API.
A php interface for interacting with the Ethereum blockchain and ecosystem. Native ABI parsing and smart contract interactions.
Ethereum wiki covering all things related to Ethereum
Official Ethereum Wiki. Follow the links
Ethereum library for the Ruby language
The goal of ethereum.rb is to make interacting with ethereum blockchain from ruby as fast and easy as possible (but not easier!). Looking for new maintainer As we changed our technological stack away from ruby and we are not using ethereum.rb anymore. The gem suffered from neglect. We are looking
Free, open-source Swift framework for easily interacting with the Ethereum.
EthereumKit is a Swift framework that enables you to create Ethereum wallet and use it in your app.
Decentralized insurance protocol to collectively build insurance products.
Etherisc is a protocol to collectively build insurance products. Common infrastructure, product templates and insurance license-as-a-service make a platform that allows anyone to create their own insurance products.
Etherscan is a Block Explorer and Analytics Platform for Ethereum
Binary Ninja plugin which enables an EVM disassembler and related analysis tools.
Decentralized Exchange built by Bitfinex
Ethfinex Trustless is an Ethereum-based trading platform built around control. Trade the most popular cryptocurrency tokens from highly-liquid markets – all done simply by connecting your Ethereum wallet. No sign-up needed!
The goal of EthHub is to provide a single source for essential Ethereum information.
The goal of EthHub is to provide a single source for essential Ethereum information. We attempt to accomplish this goal through three main areas: Learn - Open source, easy to understand documentation Listen - Into the Ether podcast Read - EthHub Weekly newsletter The Learn section, where you are now
A marketplace for freelance work in the Ethereum space
We take no cut! Ethlance doesn’t take a percentage of your earned Ether. The amount of Ether the employer pays is the amount the freelancer gets. It’s all on blockchain! The Ethlance database is distributed on the Ethereum public blockchain and the source files are on IPFS. Ethlance is accessible to
A cryptocurrency lending marketplace
"If This, Then That" for Ethereum
EthTTT aims to be the "If This Then That" of Ethereum. A user should be able to define a "trigger" with conditions for which an "action" would fire. Both triggers and actions can be on or off-chain event. We've since learned of projects such as @MaticNetwork's Zapier integration and EthVelcro
Alternative EVM disassembler
evmdis is an EVM disassembler. It performs static analysis on the bytecode to provide a higher level of abstraction for the bytecode than raw EVM operations. Features include: Separates bytecode into basic blocks. Jump target analysis, assigning labels to jump targets and replacing addresses with
eWASM is a restricted subset of WASM to be used for contracts in Ethereum.
Ethereum WebAssembly is a proposed redesign of the Ethereum smart contract execution layer using a deterministic subset of WebAssembly. The use of WebAssembly as a format for smart contracts gains a variety of benefits, a few of which are listed below: Near-native execution speed for smart contracts
The simplest way to margin trade cryptocurrency.
Expo is built on the dYdX Protocol, and is the easiest way to buy and sell dYdX Margin Tokens. Expo supports tokens such as Short Ethereum ‘sETH’, an ERC-20 token pegged to a short ETH position, and will add support for additional short and leveraged assets in the future. How expo works Expo
A decentralized Ethereum token exchange.
Build web3 dApps without extensions or downloads.
Works in any web browser, including mobile browsers Users just need a phone number to onboard to your dApp Installs with a couple lines of code (compatible with web3) Transactions are signed by tamper-resistant HSMs
A marketplace for open source development work
Gitcoin lets you get paid for working on open source software. Build new skills, make new relationships, earn kudos, and get paid for the work you already love.
Smart contract based Ethereum Wallet with easy key recovery.
The Gnosis Safe aims to provide all users with a convenient, yet secure way to manage their funds and interact with decentralized applications on Ethereum.
Golem is a decentralized computing marketplace.
Golem is a decentralized marketplace for computing power. It enables CPUs and GPUs to connect in a peer-to-peer network, enabling both application owners and individual users ("requestors") to rent resources from other users’ ("providers") machines. These resources can be used to complete tasks
Accepting crypto subscriptions is a breeze.
Plug in Groundhog’s friction-free checkout experience to get that recurring revenue feeling. Accept one-time or subscription payments in ETH, DAI, or any ERC-20 token you want. For Payment Receivers Add Groundhog with just a few lines of code, or if you’re using WooCommerce, just install a plugin.
Peer-to-peer trading market on Augur in three easy clicks.
What are you going to predict today? The number on every outcome shows by how much you will multiply your money if your prediction is correct.
Java implementation of Ethereum 2.0 Beacon Chain
Ethereum 2.0 Beacon chain client. Someday, definitely, it will be a fully featured Serenity client. We are working to get there. Currently there is no p2p and, hence, there is no cross client communication.
Prediction markets platform for forecasting blockchain developments, events, and projects
Helena transforms fragmented community insights into real-time consensus data signals covering major technology, regulatory and business events and KPIs in the blockchain and crypto space. Helena’s mission is to provide a simple way for investors to stay up-to-date and make the best decisions
Unique identity on Ethereum
The Humanity registry can be used for democratic voting, Universal Basic Income, and more.
Framework for cryptoeconomic contract security, decentralised security bounties.
The Hydra is an Ethereum contract development framework for: decentralized security and bug bounties rigorous cryptoeconomic security guarantees mitigating programmer and compiler error Hydra introduces a concept called an exploit gap , a way for developers to turn crippling exploits into safe
A decentralized, real-time, and non-custodial token exchange
IDEX is the fastest and most user-friendly decentralized Ethereum token exchange IDEX’s unique design pairs an off-chain trading engine with an Ethereum smart contract. The off-chain infrastructure manages the trading experience, while the smart contract handles all funds, trade authorization, and
Access Ethereum via REST API
Our easy to use API and developer tools provide secure, reliable, and scalable access to Ethereum and IPFS. We provide the infrastructure for your decentralized applications so you can focus on the features.
A decentralized bank built on top of the MakerDAO protocol to create an easy-to-use interface
Universal Identity Protocol.
The Jolocom identity solution aims to be a universal, lightweight, open source protocol for decentralized digital identity and access right management. The protocol is built on to leading open source standards standards and relies on distributed / decentralized systems such as Ethereum and IPFS for
An all-in-one SaaS blockchain business cloud.
Kaleido, a ConsenSys company, is dedicated to making blockchain radically simple for organizations to adopt so that our societies will fully benefit from decentralized models and technologies.
The Ethereum community's knowledge network
Kauri is a decentralized knowledge base, blogging platform and is building infrastructure for gathering technical information about Ethereum. The aim of the project is to create a network of writers, editors, and curators that collectively contribute to the growing set of articles and tutorials
A DAO that delivers fast, affordable and transparent justice for all.
The Blockchain Dispute Resolution Layer Kleros provides fast, secure and affordable arbitration for virtually everything.
Discover & buy rare digital artwork created by some of the worlds best artists
Artists, illustrators & designers can showcase and sell their work on our gallery. Create artwork (jpg or Gif) Artists can submit digital artwork as jpgs or Gifs to KnownOrigin gallery. All files are held decentrally on IPFS. All assets are given unique identifiers which can be tracked with
On-chain liquidity protocol for token swaps.
Kyber is an on-chain liquidity protocol that aggregates liquidity from a wide range of reserves, powering instant and secure token exchange in any decentralized application. @todo Add guides, FAQs
A decentralized adaptive organization delivering scalability as global public utility.
We build a Plasma chain to give scalable dApps a home to live in. LeapDAO exist to create and maintain an execution environment to host these use-cases, by this increasing the capacity of Ethereum and widening the scope of possible Dapps in the Ethereum ecosystem. As a Decentralized Adaptive
A Decentralized-driven Legal Community
Empowering the community to set the standards for the new era of legal practice built on the Ethereum Blockchain.
Rust implementation of the Serenity Beacon Chain, maintained by Sigma Prime.
Lighthouse is an open-source Ethereum Serenity client that is currently under development. Designed as a Serenity-only client, Lighthouse will not re-implement the existing proof-of-work protocol. Maintaining a forward-focus on Ethereum Serenity ensures that Lighthouse avoids reproducing the high
Executing Ethereum transactions with fiat money.
Accepting fiat payments with your dapp is hard. We make it dead easy with LimePay. LimePay is a SaaS platform that enables end-users to freely execute transactions for decentralized applications (dApps) with fiat money. No need for registration or creating a crypto wallet. Just a credit card
Open protocol for including digital assets into links.
Linkdrop Protocol is an open protocol for including digital assets and onboarding properties into links, which enables users and DApps to send crypto without knowing the receivers Ethereum address in advance. Learn more
Cross-chain Atomic Swaps between Bitcoin and Ethereum.
Convert ETH to BTC (and vice versa) with minimal risk and fees, while maintaining control over your private keys.
Open Source Video Infrastructure Services, Built On The Ethereum Blockchain.
Livepeer is creating a scalable Platform as a Service for developers who want to add live or on-demand video to their project. We aim to increase reliability of video workflows while reducing the costs to scale them. To achieve this we are building p2p infrastructure that interacts through a
Ethereum loan explorer tracking loans on MakerDAO, Compound Finance, and Dharma
LoanScan is an analytics platform for loans routed through decentralized lending protocols (open protocols) Compound, Dharma and Maker DAO. The platform provides insights into origination volumes, interest rates, repayments, collateralization levels, etc. Both market aggregate and loan level
Background Based in Toronto, ChainSafe Systems is a blockchain research and development firm offering consulting services to a number of different ethereum-based projects including Bunz, Shyft, Aion, and Polymath. Implementation Details The team is currently building an Ethereum 2.0 client written
A protocol for decentralized token exchange.
For Traders With Loopring, traders have complete control of their crypto-assets. This means there is no need to go through the risky and bothersome process of depositing money to centralized/custodial exchanges. For Exchanges Loopring is open sourced and offers open participation. Anyone can become
A React library including Dapp components
Lorikeet is a design system with React components, UI/UX guidelines and motion tools for building pleasant and performant interfaces. While the UI components can be used on any React app, we are focused on improving the UX challenges of the decentralized web.
Symbolic execution tool on Smart Contracts and Binaries
Features Input Generation : Manticore automatically generates inputs that trigger unique code paths Error Discovery : Manticore discovers bugs and produces inputs required to trigger them Execution Tracing : Manticore records an instruction-level trace of execution for each generated input
Open Source, DAO-based bank for ‘flash lending’ tokens
Flash Lending Flash lending lets anyone borrow Ether and ERC20 tokens to take advantage of arbitrage opportunities on Ethereum. A smart contract can execute any arbitrary code after borrowing as long as the funds are returned to the bank within the scope of the same transaction. While simple in
A protocol on Ethereum that enables users to trade stocks, cryptocurrencies, or traditional assets.
MARKET Protocol allows users to trade the price of anything while leveraging the benefits of the blockchain. Trade stocks, cryptocurrencies, and traditional assets. Trade with Leverage Enhance returns with leverage and trade without custody. Safer, faster, and more secure decentralized trading
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
Mastering Ethereum is a book for developers, offering a guide to the operation and use of the Ethereum, Ethereum Classic, RootStock (RSK) and other compatible EVM-based open blockchains.
Building scalable private blockchain on Zero Knowledge Proofs
We’re building secure, scalable, programmable, privacy-preserving blockchain technology.
Organizing the world's property and making it universally accessible and useful
Brings Ethereum to your browser
MetaMask is a bridge that allows you to visit the distributed web of tomorrow in your browser today. It allows you to run Ethereum dApps right in your browser without running a full Ethereum node. MetaMask includes a secure identity vault, providing a user interface to manage your identities on
A censorship-resistant social network that integrates ERC-20 tokens
We are an open source and decentralized platform for Internet freedom. Get paid in crypto for your contributions to the community.
A free, open-source, client-side interface for generating Ethereum wallets and more
MyEtherWallet (our friends call us MEW) is a free, client-side interface helping you interact with the Ethereum blockchain. Our easy-to-use, open-source platform allows you to generate wallets, interact with smart contracts, and so much more.
Security analysis platform for Ethereum smart contracts. Direct integration with all major development tools as well as end-user API.
MythX is a smart contract security API that brings advanced security analysis directly into development environments and build pipelines. It detects many common Solidity vulnerabilities and EVM bytecode vulnerabilities. Anyone can use MythX to build purpose-built Ethereum security tools. End users
Ethereum .Net cross platform integration library.
Nethereum is the .Net integration library for Ethereum, simplifying the access and smart contract interaction with Ethereum nodes both public or permissioned like Geth, Parity or Quorum . Nethereum is developed targeting netstandard 1.1, net451 and also as a portable library, hence it is compatible
A risk-sharing pool that allows anyone to purchase insurance
Nexus Mutual uses the power of Ethereum so people can share risk together without the need for an insurance company. Mutuals to replace insurance We are building an alternative risk sharing platform. In the future we plan to offer crypto wallet cover, as well as more standard products, like
Ethereum 2.0 Sharding Client for Resource-Restricted Devices written in Nim by Status.im
Nimbus is Etherum 2.0 Sharding Client being build by status.im. Nimbus is written in a language called Nim. We feel Ethereum 2.0 will mostly live in embedded systems, so have designed Nimbus to perform well on IoT and personal mobile devices, including older smartphones with resource-restricted
A protocol for non-custodial lending, borrowing or margin trading crypto assets
Borrow with Leverage Instantly borrow ETH or ERC20 tokens from debt reserves by staking collateral in our smart contract. No Platform Fees. Lend & Earn Interest Create a debt reserve & earn interest on your crypto assets every single day without any hassle. Cancel Anytime.
A decentralized, automated trade execution platform that makes crypto trading cheap and safe
Blockchain based protocol for the creation and execution of legal agreements.
A peer to peer trading market for crypto collectibles and rare digital items.
The largest marketplace for crypto collectibles Buy, sell, and discover rare digital items.
Peer-to-Peer Databases for the Decentralized Web
OrbitDB is a serverless, distributed, peer-to-peer database. OrbitDB uses IPFS as its data storage and IPFS Pubsub to automatically sync databases with peers. It’s an eventually consistent database that uses CRDTs for conflict-free database merges making OrbitDB an excellent choice for decentralized
A protocol for creating peer-to-peer marketplaces utilizing Ethereum and IPFS.
We empower developers and businesses to build decentralized marketplaces on the blockchain. Our protocol makes it easy to create and manage listings for the fractional usage of assets and services. Buyers and sellers can discover each other, browse listings, make bookings, leave ratings and reviews
Simple Token allows any kind of business to tokenize their assets.
The Future of Brand Loyalty Innovators use OST Platform to reward behaviours and increase engagement with Brand Currency. It’s a complete set of developer tools that any company can integrate without any in-house blockchain expertise. Direct To Consumer Build direct relationships with your customers
Alternative static smart contract security analysis
An Analysis Tool for Smart Contracts. Contributing : Checkout out our contribution guide and the code structure here .
Token relay platform acquired by Coinbase.
Trade tokens directly from your wallet. No trading fees, no custodianship, no account sign-ups, no compromises.
Like Twitter, but decentralized and token-integrated.
A new kind of social network Bringing out our best with opinionated features and permanence . Open Content is openly and forever accessible on the Ethereum blockchain and IPFS . Thoughtful Permanence & creative constraints encourage mindful and self-aware Peeps. Responsible Charity badges prevent
Decentralised social network.
Scalable Ethereum Sidechain.
POA products are for people who believe that the Ethereum protocol must be cheap, fast, and scalable. We are focusing on bringing the best developer experience for blockchain professionals. We promise that engaging with POA will help you create a first-class application on the platform. @todo
A trustless price oracle for ERC20 tokens
Polaris is an on-chain decentralized price oracle for ERC20 tokens. It calculates the median of historical checkpoints on Uniswap for a price that is both accurate and resistant to manipulation.
Polkadot Substrate C++ API
С++ API for Polkadot. Work in Progress. Web3 Foundation Grants — Wave Two Recipients.
Polkadot Multi-chain Block Explorer
Polkascan is part of WEB3SCAN and offers real-time multi-chain data. WEB3SCAN makes blockchain data accessible, understandable and suitable for business intelligence and advanced analytics, powering fact-based decision support.
Shows a list of all the markets on Augur.
Prediction Markets powered by Augur. Each market trades on the Augur decentralized prediction market platform, built on the Ethereum blockchain.
Blockchain oracle for modern DApps.
Oraclize is the leading oracle service for smart contracts and blockchain applications, serving thousands of requests every day on platforms like Ethereum , Rootstock , R3 Corda , Hyperledger Fabric and EOS .
Full featured sharding client for Ethereum 2.0 written in Go by Prysmatic Labs
Prysmatic Labs is developing Prysm, a full featured sharding client for Ethereum 2.0, that can process transactions faster than ever before! Network Ethereum Serenity, Shasper (Sharding + Casper Proof of Stake) Implementation Language Golang Networking protocol Libp2p from Protocol Labs Interprocess
The fastest and easiest way to run your own Ethereum node.
Run your own Ethereum node in under 10 minutes. Transact with your own private Ethereum node. Participate in and help improve the Ethereum network.
Send unique crypto eCards for charity.
Send DAI/ETH with NFT e-Cards and donate to the charity of your choice in one go!. Features Full ERC-721 Compatibility - Smart Contract is fully ERC-721 compliant Full ERC-721 Metadata Compatibility - Each ERC-721 token uses latest standards for ERC-721 metadata Full ERC-165 Compatibility - Smart
Crowd-sourced verification for smart contract oracles.
Realitio provides a flexible mechanism for verifying real-world events for smart contracts.
Web IDE with built in static analysis, test blockchain VM.
Remix is a browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.
Zero-knowledge, trustless swaps between blockchains.
Transfer tokens in zero-knowledge, trustlessly swap between blockchains, trade on a dark pool, build any privacy preserving application. Never reveal anything.
Connect your smart contract with real-world data.
Rhombus is the oracle solution for your smart contract We provide the most reliable, credible, and efficient oracle platform on the planet. Access over five trillion real-world data points, custom off-chain computing, and the best security the industry has to offer.
Adaptable components and design standards for decentralized applications.
Decentralized applications (dApps) require users to learn new patterns and they present new hurdles for designers and front-end developers. Rimble is here to make life easier for everyone. As an open source project, Rimble aims to create common dApp UX patterns, validated through user research, and
A lending and borrowing platform that allows users to leverage their crypto-assets to secure loans.
SALT is the smarter way to hold and leverage your crypto for cash. Driven by transparent technology, superior security, unmatched expertise, powerful partnerships and access to industry experts, our products and services provide potential solutions for your financial needs.
Web 3.0 social news platform that gives users control of their data, rewards content creators, and fights fake news.
Our values are deeply rooted in the Sapien ecosystem and will help us create the best web 3.0 social experience. Democracy : Users should have a say in the communities that they are part of. Privacy : Whether you want to be famous or anonymous, your data on Sapien belongs to YOU. Free Speech : A
Secure Your Smart Contracts
Our mission at SecurEth is to guide software developers in the Ethereum Community towards building Smart Contract Systems that adhere to the highest quality in design and verification, to ensure that we solve problems before they happen so we can build in world-class security for the world of
Security scanner for Ethereum smart contracts
It features an extensive list of security patterns commonly found in smart contracts: some forms of the DAO bug (also known as reentrancy) locked ether missing input validation transaction ordering-dependent amount, receiver and transfer unhandled exceptions unrestricted ether flow The project is
Self-sovereign identity system
@todo : Add guides, FAQ
A platform to create, manage, and obtain baskets of tokenized assets.
Use multiple tokens as one. Whether you're creating the next S&P 500, packing tokens for efficient distribution, or creating item bundles in your game, our developer tools give you the flexibility to handle baskets of tokens the way you want.
A web-based operating system and dashboard for decentralized finance.
Settle is a web-native operating system for decentralized finance. Settle is designed from a blank slate to let traders use the capabilities of the new financial paradigm. Chat with Web3 integrations for DeFi protocols. Forever free portfolio tracking. App Store open to third party developers. 50/50
Parity Shasper is Ethereum 2.0 beacon chain implementation using the Substrate framework by Parity
Background Parity Technologies is a blockchain infrastructure company responsible for maintaining the popular Ethereum client, Parity Ethereum . Implementation Details Parity is developing Parity Ethereum - a legacy Ethereum 1.0 client written in the Rust programming language and built for mission
The best UX for your dApp, in just one line of code
No Ether? No Problem! Shipl enables dApps developers to pay transactions on behalf of their users; they can now interact with your dApp with an empty wallet. People expect simple and familiar ways to onboard and use apps. Setting up wallets, signing transactions and paying gas fees can be
Static Analyzer for Solidity
Slither is a Solidity static analysis framework written in Python 3. It runs a suite of vulnerability detectors, prints visual information about contract details, and provides an API to easily write custom analyses. Slither enables developers to find vulnerabilities, enhance their code comprehension
A static analysis tool that detects vulnerabilities and bugs in Solidity programs.
SmartCheck automatically checks Smart Contracts for vulnerabilities and bad practices – it highlights them in the code and gives a detailed explanation of the problem. We already use it in our security audits. SmartCheck engine is now open source
Visualise Solidity control flow for smart contract security analysis
Generates a DOT graph that visualizes function control flow of a Solidity contract and highlights potential security vulnerabilities.
Solidity is an object-oriented, high-level language for implementing smart contracts.
Open source, self-sovereign identity network
@todo, add Guides, intersting stuffs are there
Linkedin Alternative, Blockchain based Professional Social Network.
A Professional Profile That Showcases The Real You. Verified Resume Get your profile verified by both the company and your peers. All verifications are written to the blockchain and show up as verified on your profile. Meaningful Skill Endorsements Your endorsements are ranked by the reputation of
The secure and decentralized payment platform for the new internet of money.
StablePay is the easy way to send and receive cryptocurrency payments converted to DAI.
Mobile social network based on Ethereum.
A Live Streaming Platform.
There is no need to create a New Currency to Create an AMAZING Live Streaming Platform! We will build the end all of all Live Platforms that will include, near instant withdrawals, without the "no need" delays that all other platforms have. Real Crypto We envisage using Ethereum Blockchain to do all
Realtime Data trading Platform.
Streamr is creating an open source platform for the free and fair exchange of the world’s real-time data. Our blockchain-backed data Marketplace and powerful tools put your data back where it belongs – with you.
Browser based IDE to develop Ethereum Dapps.
Superblocks Lab helps you code, build and deploy smart contracts and decentralized applications. No more copy paste and complicated setups. Browser blockchain : Built in Ethereum blockchain and Solidity compiler for rapid and worry free development. Live code your DApp : Live edit your DApp with
Unbreakable Cyber Insurance Platform
TabooKey is BUIDLing a decentralized cyber insurance network that buys up cyber security risks for crypto custody & critical infrastructure use cases such as controlling autonomous car fleets. Powered by safe channels, a new blockchain-enabled cyber security building block that keeps critical assets
Social experiment attempting to see if we can democratically curate a list of the best minds on Crypto Twitter.
TCR Party is a social experiment attempting to see if we can democratically curate a list of the best minds on Crypto Twitter. We run two bots: @TCRPartyBot retweets every Twitter handle that is on the list. @TCRPartyVIP where the democracy (or chaos) happens. This bot announces recent nominations
The Decentralized Oracle
The Standard Oracle For Decentralized Finance. An easy to implement solution to get high value data into your smart contracts. Get API Data Into Your Ethereum Contracts. By providing the adaptive infrastructure for smart contracts to query, on demand, off-chain data on-chain by properly
Start monitoring your contracts with error tracking, detailed contract analytics and smart alerts that notify you when something happens.
Error tracking Track and fix errors as they happen. Error Tracking, track every reverted transaction and easily pinpoint issue in real-time. Full stack traces See the full execution of your contracts. Tenderly enables your blockchain development with stack traces, showing you the source code right
An open-source DAO framework.
Use out-of-the-box modules to build the DAO of your dreams - an organization that is controlled by smart contracts. Thetta DAO Framework is a DAO Framework that will help you to create your own DAO on top of it. Code is modular, so you can use different subsystems almost independently.
A library for oracles on Ethereum
Tidbit is a modular oracle library that enables developers to compose decentralized oracles. We believe oracles are one of the largest under-addressed needs for decentralized applications. Our hope is that Tidbit will encourage collaboration and experimentation around building oracles, bringing a
Decentralized Liquidity on Autopilot.
Swap and transfer tokens while automatically getting the best prices from decentralized exchanges. Liquidity for the Illiquid Complete orders a single DEX can't with the combined liquidity of multiple DEXs. Catch-All Payments Enable users to receive the ERC-20 token of their preference regardless of
Ethereum 2.0 and Ethereum 1.0 Implementation in Python.
Trinity is a client for the Ethereum protocol including the existing 1.0 chain as well as emerging support for the upcoming Ethereum 2.0 / Serenity spec written in Python. Goals provide a reference implementation for an Ethereum 1.0 node (alpha) support "full" and "light" modes fully support mainnet
A scalable verification solution for blockchains.
Truebit is an open source community committed to appreciation, understanding, and implementation of cryptoeconomic protocols and scalable, blockchain infrastructure.
The Truffle Suite gets developers from idea to dapp as comfortably as possible.
TRUFFLE SMART CONTRACTS MADE SWEETER A world class development environment, testing framework and asset pipeline for blockchains using the Ethereum Virtual Machine (EVM), aiming to make life as a developer easier. LEARN MORE GITHUB REPO DOCS Ganache ONE CLICK BLOCKCHAIN A personal blockchain for
Multi-sided marketplaces that collect, validate, publish, and commercialize business-critical reference data.
TruSet is creating n-sided marketplaces for users to collect, validate, publish, and commercialize business-critical data without the intervention of vendors or service providers. As a community-operated resource, TruSet can better ensure quality and accuracy because validators of the data are
Open source protocol for automated token swaps on Ethereum.
A simple smart contract interface for swapping ERC20 tokens A formalized model for pooling liquidity reserves An open source frontend interface for traders and liquidity providers A commitment to free and decentralized asset exchange
Aims to solve the biggest usability and security issues of Ethereum.
UniversalLogin is an open-source project that aims to solve the usability problems of Ethereum. Problems : Onboarding users to Ethereum is hard. Onboarding : Entering Ethereum space for new users is hard. A popular tutorial show 17 steps user have to go through to start using Ethereum based dapps
A decentralized financial contracts platform that utilizes self-enforcing contract design patterns and provably honest oracle mechanisms.
UMA is a decentralized financial contracts platform built to enable Universal Market Access. Use UMA’s self-enforcing contract design patterns and provably honest oracle mechanism to create your own financial products using standards like ERC20.
Unlock is an access control protocol built on a blockchain.
Unlock is a protocol which enables creators to monetize their content with a few lines of code in a fully decentralized way. No More Middlemen There are no middlemen, no fees and no gatekeeper who could shut you down or control your distribution. Simple Integration Unlock provides a simple snippet
Open Identity System for the Decentralized Web
uPort returns ownership of identity to the individual. uPort's open identity system allows users to register their own identity on Ethereum, send and request credentials, sign transactions, and securely manage keys & data. Take a look at what we’re building: Protocols uPort consists of identity and
derivatives on Ethereum
Leverages the Ethereum blockchain to offer trustless, secure, and efficient financial derivates
A peer to peer trading market for derivatives and predictions on Augur, 0x, and Ethereum.
Prediction markets on everything, by everyone. Veil is a peer-to-peer prediction market built on open protocols. Create your own prediction markets.
Better Airdrops and Referral Programs for Crypto
Volca's unique claim link technology enables frictionless onboarding even for users who don't have a crypto wallet yet. Click a link. Claim tokens. Invite friends and earn more tokens. Your users are encouraged to spread the word about your project—virally.
Solidity support for Visual Studio code
Solidity is the language used in Ethereum to create smart contracts, this extension provides: Syntax highlighting Snippets Compilation of the current contract (Press F1 Solidity : Compile Current Solidity Contract), or F5 Compilation of all the contracts (Press F1 Solidity : Compile all Solidity
Framework for advanced smart contract.
Framework for advanced smart contract development and testing, small, flexible, fast (based on ethers.js). Waffle is a library for writing and testing smart contracts. Sweeter, simpler and faster than Truffle.
A Decentralized Oracle Network connecting smart contracts to the rest of the world.
Witnet is a decentralized oracle network that connects smart contracts to the outer world. It aims to allow any piece of software to retrieve the contents published at any web address with complete and verifiable proof of its integrity and without blindly trusting any third party.
Wrapped Bitcoin (WBTC) is the first ERC20 token backed 1:1 with Bitcoin.
WBTC brings greater liquidity to the Ethereum ecosystem including decentralized exchanges (DEXs) and financial applications. Today, the majority of trading volume takes place on centralized exchanges with Bitcoin. WBTC changes that, bringing Bitcoin’s liquidity to DEXs and making it possible to use
World-class tools for blockchain developers, financial services and protocols.
We're serious about helping the crypto community and have been active since 2013. Focusing on compliance, licensing and legal fees shouldn’t be what creators are doing. They should be creating.
Swift implementation of Ethereum 2.0 beacon chain
Started by Dean Eigenmann and Eric Tu by announcing in twitter, Yeeth targets the Apple machines to run Ethereum 2.0 clients.
Oracles That Bring Data to Smart Contracts
The Zap platform allows users to create, publish and subscribe to smart contract and Decentralized Application compatible data feeds. Data Speculators can also bond zap for dots and choose to redeem dots.
The easiest way to build a Web3 application with the most trusted tools in Ethereum.
An all-in-one starter box for developers to jumpstart their smart contract backed applications. Includes Truffle, ZeppelinOS, the OpenZeppelin-eth EVM package of audited smart contract, a react-app and rimble for easy styling. Includes OpenZeppelin as an EVM package. Upgradeable smart contracts with
An open-source, distributed platform of tools and services on top of the EVM to develop and manage smart contract applications securely.
Develop, deploy and operate any smart contract project securely. ZeppelinOS is a development platform designed specifically for smart contract projects. It allows for seamless upgrades, and provides economic incentives to create a healthy ecosystem of secure applications.
An interface for blockchain-based protocols in decentralized finance applications
Zerion is building a trustless bank for Decentralized Finance (DeFi) on top of MakerDAO , Uniswap , Compound , Dharma , Set , DyDx and others. Zerion aims at transforming the decentralized finance experience to drive the next wave of adoption of blockchain-based finance. You can think of it as Chase
ZoKrates is a toolbox for zkSNARKs on Ethereum
ZoKrates is a toolbox for zkSNARKs on Ethereum. It helps you use verifiable computation in your DApp, from the specification of your program in a high level language to generating proofs of computation to verifying those proofs in Solidity.