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The Top 185 Smart Contracts Open Source Projects

Categories > Blockchain > Smart Contracts
Truffle ⭐ 10,392
A tool for developing smart contracts. Crafted with the finest cacaos.
Ethereumbook ⭐ 9,780
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
Smart Contract Best Practices ⭐ 4,318
A guide to smart contract security best practices
Wasm3 ⭐ 3,936
🚀 The fastest WebAssembly interpreter, and the most universal runtime
Embark ⭐ 3,322
Framework for serverless Decentralized Applications using Ethereum, IPFS and other platforms
Web3j ⭐ 3,202
Lightweight Java and Android library for integration with Ethereum clients
Blockchain Stuff ⭐ 2,464
Blockchain and Crytocurrency Resources
Stacks ⭐ 1,906
Stacks ecosystem overview.
Defi Developer Road Map ⭐ 1,785
DeFi Developer Road Map. Feel free to submit a pull request, with anything from small fixes to translations, docs or tools you'd like to add.
Mythril ⭐ 1,719
Security analysis tool for EVM bytecode. Supports smart contracts built for Ethereum, Hedera, Quorum, Vechain, Roostock, Tron and other EVM-compatible blockchains.
Remix Ide ⭐ 1,641
Documentation for Remix IDE
Tezos ⭐ 1,390
Mirror of the release branches for Tezos, a self-amending cryptographic ledger
Uniswap V2 Core ⭐ 1,292
🎛 Core smart contracts of Uniswap V2
Hardhat ⭐ 1,245
Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software. Get Solidity stack traces & console.log.
Smart Contracts ⭐ 1,210
Ethereum smart contracts for security and utility tokens
Uniswap V3 Core ⭐ 1,187
🦄 🦄 🦄 Core smart contracts of Uniswap v3
Ethereum_book ⭐ 1,138
精通以太坊 （中文版）
Waves ⭐ 1,101
⛓️ Reference Waves Blockchain Node (client) implementation on Scala
Remix ⭐ 1,087
This has been moved to https://github.com/ethereum/remix-project
Plutus ⭐ 1,025
The Plutus language implementation and tools
Aeternity ⭐ 964
æternity: solving scalability problems by making sense of state-channels
Ethereum Development With Go Book ⭐ 876
📖 A little guide book on Ethereum Development with Go (golang)
Oyente ⭐ 872
An Analysis Tool for Smart Contracts
Ethlint ⭐ 724
(Formerly Solium) Code quality & Security Linter for Solidity
Echidna ⭐ 695
Ethereum smart contract fuzzer
Go Apla ⭐ 629
A blockchain platform with a simplified programming language
Ink ⭐ 569
Parity's ink! to write smart contracts
Web3.php ⭐ 564
A php interface for interacting with the Ethereum blockchain and ecosystem. Native ABI parsing and smart contract interactions.
Skycoin ⭐ 563
Skycoin Core and Wallet
Go Iost ⭐ 542
Official Go implementation of the IOST blockchain
Btcrelay ⭐ 539
Ethereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4
Baseline ⭐ 512
The Baseline Protocol is an open source initiative that combines advances in cryptography, messaging, and blockchain to execute secure and private business processes at low cost via the public Ethereum Mainnet. The protocol will enable confidential and complex collaboration between enterprises without leaving any sensitive data on-chain
Eth Crypto ⭐ 481
Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity
Solidity Template ⭐ 480
Combines Hardhat, TypeChain, Ethers, Waffle, Solhint and Solcover
Remix Project ⭐ 474
Remix is a browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.
Web3swift ⭐ 470
Elegant Web3js functionality in Swift. Native ABI parsing and smart contract interactions on Ethereum network.
Blockchainstore ⭐ 429
💰 Retail Store that runs on Ethereum
Solhint ⭐ 417
Solhint is an open source project created by https://protofire.io. Its goal is to provide a linting utility for Solidity code.
Uniswap V3 Periphery ⭐ 410
🦄 🦄 🦄 Peripheral smart contracts for interacting with Uniswap v3
Ethereum Erc721 ⭐ 406
Non-fungible token implementation for Ethereum-based blockchains.
React Ethereum Dapp Example ⭐ 401
A starter boilerplate for an Ethereum dapp using web3.js v1.0, truffle, react, and parity
Uniswap V2 Periphery ⭐ 399
🎚 Peripheral smart contracts for interacting with Uniswap V2
Awesome Smart Contracts ⭐ 388
🕶 List of awesome platforms for smart contracts
Buidl ⭐ 376
A browser-based IDE for creating, deploying, and sharing blockchain apps (DApps, or decentralized apps). Publish your first blockchain DApps in 5 minutes! Here is how: https://docs.secondstate.io/buidl-developer-tool/getting-started
Eos Smart Contract Security Best Practices ⭐ 373
A guide to EOS smart contract security best practices
Ethereum Php ⭐ 368
PHP interface to Ethereum JSON-RPC API. Fully typed Web3 for PHP 7.X
Colonynetwork ⭐ 368
Colony Network smart contracts
Pact ⭐ 359
The Pact Smart Contract Language
Uniswap V1 ⭐ 348
🐍Uniswap V1 smart contracts
Love Ethereum ⭐ 343
区块链学习
0xdeca10b ⭐ 341
Sharing Updatable Models (SUM) on Blockchain
Web3.swift ⭐ 340
A pure swift Ethereum Web3 library
Celo Monorepo ⭐ 327
Official repository for core projects comprising the Celo platform
Populus ⭐ 320
The Ethereum development framework with the most cute animal pictures
Nmr ⭐ 319
The Numeraire Ethereum Smart Contract
Alpha ⭐ 305
Follow the white rabbit 🐇
Eventeum ⭐ 299
A resilient Ethereum event listener that bridges your smart contract events and backend microservices
Web3swift ⭐ 299
Elegant Web3js functionality in Swift. Native ABI parsing and smart contract interactions.
Eosio.contracts ⭐ 288
Smart contracts that provide some of the basic functions of the EOSIO blockchain
Full Stack Ethereum ⭐ 288
Building full stack apps with Solidity, Ethers.js, Hardhat, and The Graph
Octopus ⭐ 286
Security Analysis tool for WebAssembly module (wasm) and Blockchain Smart Contracts (BTC/ETH/NEO/EOS)
Awesome Buggy Erc20 Tokens ⭐ 286
A Collection of Vulnerabilities in ERC20 Smart Contracts With Tokens Affected
Truffle Flattener ⭐ 284
Truffle Flattener concats solidity files from Truffle and Buidler projects with all of their dependencies
Merkletreejs ⭐ 282
🌱 Construct Merkle Trees and verify proofs in JavaScript.
Anchor ⭐ 281
⚓ Solana Sealevel Framework
Solidity Idiosyncrasies ⭐ 280
Solidity gotchas, pitfalls, limitations, and idiosyncrasies.
Go Vite ⭐ 273
Official Go implementation of the Vite protocol
Ethereum Input Data Decoder ⭐ 269
Ethereum smart contract transaction input data decoder
Smart Contract Search Engine ⭐ 261
Takes a link to a smart contract's raw ABI file and an RPC URL and then indexes all instances of that smart contract
Swc Registry ⭐ 252
Smart Contract Weakness Classification and Test Cases
Ultimate Defi Research Base ⭐ 252
Here we collect and discuss the best DeFI & Blockchain researches and tools. Feel free to DM me on Twitter or open pool request.
Awesome Blockchain Kor ⭐ 250
<블록체인의 정석 The Art of Blockchain>, <하이퍼레저 블록체인 개발 Hands-On Blockchain with Hyperledger> 소스코드 및 참고자료 저장소
Eosfactory ⭐ 246
Python-based EOS smart-contract development & testing framework
Erc20 Generator ⭐ 242
Create an ERC20 Token for FREE in less than a minute with the most used Smart Contract Generator for ERC20 Token. No login. No setup. No coding required.
Flow Nft ⭐ 242
The Non-Fungible Token standard on the Flow Blockchain
Wavelet ⭐ 239
Write once, run forever. Deploy robust, scalable, decentralized WebAssembly applications on Wavelet.
Cadence ⭐ 234
Cadence, the resource-oriented smart contract programming language 🏃‍♂️
Flint ⭐ 230
The Flint Programming Language for Smart Contracts
Smart Contract Security Audits ⭐ 215
Certified Smart Contract Audits (Ethereum, Hyperledger, xDAI, Huobi ECO Chain, Binance Smart Chain, Fantom, EOS, Tezos) by Chainsulting
Fabric Chaincode Java ⭐ 208
Hyperledger Fabric Contract and Chaincode implementation for Java https://wiki.hyperledger.org/display/fabric
Nba Smart Contracts ⭐ 208
Smart contracts and transactions for Topshot, the official NBA digital collectibles game on the Flow Blockchain
Scilla ⭐ 205
Scilla - A Smart Contract Intermediate Level Language
Flow ⭐ 203
Flow is a fast, secure, and developer-friendly blockchain built to support the next generation of games, apps, and the digital assets that power them 🌊
Insolar ⭐ 194
Enterprise-ready blockchain platform
Tenderly Cli ⭐ 193
CLI tool for Smart Contract error tracking, monitoring and alerting.
Blockchainbooks.github.io ⭐ 191
Blockchain Books
Alpha Wallet Android ⭐ 191
An advanced Ethereum mobile wallet
Go Matrix ⭐ 188
First version of go-MATRIX, especially for TPS optimization and AI
Smart Contract Languages ⭐ 186
A curated collection of resources on smart contract programming languages
Smart Contract Sanctuary ⭐ 185
🐦🌴🌴🌴🦕 A home for ethereum smart contracts. 🏠
Flow Js Sdk ⭐ 184
Tools for building browser applications on Flow 🌊
Contracts ⭐ 183
A set of reusable smart-contracts
Smart Contract Audits ⭐ 182
Smart Contract security audit reports
Eth95 ⭐ 181
🛠️ A smart contract UI for your Ethereum dapp project
Cckit ⭐ 174
Programming toolkit for building Hyperledger Fabric Golang on-chain (chaincode) and off-chain applications
Voting ⭐ 173
Dock governance proposals and smart contract
Dasp ⭐ 172
The Decentralized Application Security Project
Sablier ⭐ 171
Money streaming protocol
Matic.js ⭐ 168
Javascript developer library to interact with Matic Network
Ico Contracts ⭐ 164
Ethereum smart contracts that have been used during successful ICOs
1-100 of 185 projects
Advertising 📦 10
All Projects
Application Programming Interfaces 📦 124
Applications 📦 192
Artificial Intelligence 📦 78
Blockchain 📦 73
Build Tools 📦 113
Cloud Computing 📦 80
Code Quality 📦 28
Collaboration 📦 32
Command Line Interface 📦 49
Community 📦 83
Companies 📦 60
Compilers 📦 63
Computer Science 📦 80
Configuration Management 📦 42
Content Management 📦 175
Control Flow 📦 213
Data Formats 📦 78
Data Processing 📦 276
Data Storage 📦 135
Economics 📦 64
Frameworks 📦 215
Games 📦 129
Graphics 📦 110
Hardware 📦 152
Integrated Development Environments 📦 49
Learning Resources 📦 166
Legal 📦 29
Libraries 📦 129
Lists Of Projects 📦 22
Machine Learning 📦 347
Mapping 📦 64
Marketing 📦 15
Mathematics 📦 55
Media 📦 239
Messaging 📦 98
Networking 📦 315
Operating Systems 📦 89
Operations 📦 121
Package Managers 📦 55
Programming Languages 📦 245
Runtime Environments 📦 100
Science 📦 42
Security 📦 396
Social Media 📦 27
Software Architecture 📦 72
Software Development 📦 72
Software Performance 📦 58
Software Quality 📦 133
Text Editors 📦 49
Text Processing 📦 136
User Interface 📦 330
User Interface Components 📦 514
Version Control 📦 30
Virtualization 📦 71
Web Browsers 📦 42
Web Servers 📦 26
Web User Interface 📦 210