1998 Open source projects that are alternatives of or similar to Hardhat

ExchangeSharp is a powerful, fast and easy to use .NET/C# API for interfacing with many crypto currency exchanges. REST and web sockets are supported.

A python library to push ethereum blockchain data into an sql database.

Sample use of Ethereum smart contract in Hyperledger Fabric

Mortgage Processing App using Hyperledger Fabric Blockchain. Uses channels for privacy and access, and restricts read/write previleges through endorsement policies

Official Go implementation of the Vite protocol

Truffle Flattener concats solidity files from Truffle and Buidler projects with all of their dependencies

Non-fungible token implementation for Ethereum-based blockchains.

Codebase for KyberSwap that helps users convert tokens instantly and directly from their own hardware wallets, metamask and so on. No setup, No deposit, no withdrawal needed. Try it out on https://kyberswap.com or join telegram for developers https://t.me/KyberDeveloper.

The Plutus language implementation and tools

The Status module that consumes go-ethereum

Integrated Ethereum implementation and tool suite focused on Solidity testing and development.

Curated list of awesome things for development on Waves blockchain.

Machine learning models for time series analysis

Public repository for the AZTEC protocol

🎴Zero-knowledge non-fungible tokens on Ethereum using zk-SNARKs

Library for Reactive Dapp Development with auto syncing and caching capabilities

A pure swift Ethereum Web3 library

Python Data Science and Machine Learning Library for the Ethereum and ERC-20 Blockchain

Modular Ethereum client

Portis Web SDK

Kubernetes + Ethereum = Kubereum!!!

Portis Web SDK [DEPRECATED, PLEASE USE OUR NEW SDK: https://github.com/portis-project/web-sdk]

Main uPort library for front end developers

Ethereum .Net cross platform integration library

🚀基于区块链的房地产交易系统小模型。提供销售和捐赠功能。本项目使用Hyperledger Fabric构建区块链网络, go编写智能合约，应用层使用gin+fabric-sdk-go调用合约。前端展示使用vue+element。体验地址：http://blockchain.togettoyou.com/web

📱 Trust - Ethereum Wallet and Web3 DApp Browser for iOS

Official Rust implementation of the Purple Protocol

⛓️ Reference Waves Blockchain Node (client) implementation on Scala

🦄 An open source interface for the Uniswap protocol

Ethereum Wallet Toolkit for iOS - You can implement an Ethereum wallet without a server and blockchain knowledge.

Solidity, the Smart Contract Programming Language

Censorship resistant democracies.

Collection of papers in the field of distributed systems, game theory, cryptography, cryptoeconomics, zero knowledge

The fastest crypto online

A Smart Way to Operate Smart Contracts on EVM Based Blockchains like Ethereum

DEPRECATED. To be removed December, 2018 (use monax/bosmarmot)

Solidity gotchas, pitfalls, limitations, and idiosyncrasies.

A Ruby implementation of Ethereum.

PHP interface to Ethereum JSON-RPC API. Fully typed Web3 for PHP 7.X

Wei Wallet is an open source Ethereum wallet for iOS

A Decentralized Exchange Scaffold - launch a DEX in minutes

A general framework for blockchain analytics

Live visualisation of blockchain transactions for popular cryptocurrencies

Mosaic-0: Gateways and anchors on top of Ethereum to scale DApps

Yearn smart contracts

Combines Hardhat, TypeChain, Ethers, Waffle, Solhint and Solcover.

Ethereum Go Client [obsolete]

Tidy up Blockchain ecosystem and tutorial

A complimentary course for an understanding of blockchain and its development like custom blockchain, dapps, etc.

A portfolio tracking, analytics, accounting and tax reporting application that protects your privacy

🎚 Peripheral smart contracts for interacting with Uniswap V2

(Aragon 1) Create and manage decentralized organizations on Ethereum.

The Comprehensive Ethereum Reading List

Rust implementation of {t,n}-threshold ECDSA (elliptic curve digital signature algorithm).

A Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.

A better "prn" for debugging

Augur back-end (Ethereum contracts)

An open and modular toolchain to develop state of the art applications based on the UI5 framework

The Rust implementation of Conflux protocol.

yotaq - Your Own Task Queue for Python