Polkadot Substrate C++ API
С++ API for Polkadot. Work in Progress. Web3 Foundation Grants — Wave Two Recipients.
Python framework for deploying, testing and interacting with Ethereum smart contracts.
Follow the links.
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
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
Help your users get onboard.
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
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
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.
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
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
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
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.
ERC721-based Software Licensing Framework.
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.
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
Command Line Interface is used to create and develop Aragon apps.
The aragonCLI (Command Line Interface) is used to create and develop Aragon apps.
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).
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
Help build MythX API Libraries in popular languages.
In most cases you’ll want to use an existing client library that abstracts the low-level details of interacting with MythX.
Build security tools using the MythX API
Using MythX API, you can build security tools that find bugs in smart contracts for Ethereum or compatible blockchains such as Tron and Quorum. Currently, we support Solidity code and EVM bytecode, but we are working on support for additional bytecode formats (e.g. eWASM) and languages.
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.
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
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.
Crowd-sourced verification for smart contract oracles.
Realitio provides a flexible mechanism for verifying real-world events for smart contracts.
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
Solidity framework for building complex dApps and protocols.
Create global, bureaucracy-free organizations, companies, and communities.
Aragon lets you freely organize and collaborate without borders or intermediaries. Create global, bureaucracy-free organizations, companies, and communities.
Contribute the 0xCert Framework.
For developer side you can look at our github: https://github.com/0xcert/framework where you can find the contributing guidelines: https://github.com/0xcert/framework/blob/m
Mobile social network based on Ethereum.
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 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
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.
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
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
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
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
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
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.
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
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
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
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
Organizing the world's property and making it universally accessible and useful
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.
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
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
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
We need your help! There are many ways you can help contribute to the Truffle project. Here are some ways that you can contribute:
Contribute the Embark Framework.
We would love for you to contribute to Embark and help make it even better than it is
today! Follow the links
To contribute, join our forum or community channel on Telegram, where you can talk to all the ZeppelinOS developers, contributors, partners, and users.
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
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
Contributions are always welcome! Feel free to open any issue or send a pull request.
Feedback, help and news
Buidler Support Telegram group: for any questions or feedback you may have, you can find us here.
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
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.
Contributions are always welcome, no matter how large or small.
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.