Open-source blockchain software
491 open-source libraries, tools and applications tagged blockchain, ranked by how closely blockchain is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
491 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Blockstream/satellite Blockstream Satellite is a Python-based software suite (GUI and CLI) for setting up a receiver node that downloads the Bitcoin blockchain v… | 60 | 1041 | active |
| tempoxyz/tempo Tempo is a Rust-based blockchain purpose-built for stablecoin payments, built on the Reth EVM execution SDK with sub-second finality via Si… | 82 | 1034 | active |
| Halmos Halmos is a symbolic testing tool for EVM smart contracts, primarily targeting Solidity projects via a Foundry frontend. It leverages exist… | 46 | 1033 | active |
| ZhangJinHaHaHa/AgentLens AgentLens is a trust-first AI Agent marketplace and workspace where users can discover, compare, and rent task-specific Agents backed by sm… | 56 | 1028 | active |
| polkadot-js/extension A browser extension for Chrome and Firefox that manages Polkadot and Substrate network accounts and signs transactions (extrinsics) with th… | 94 | 1020 | active |
| uniswap-python/uniswap-python An unofficial Python client and wrapper for the Uniswap decentralized exchange, supporting v1 through v4 plus popular forks like Sushiswap … | 84 | 1018 | active |
| CityOfZion/neon-wallet Neon Wallet is an Electron-based desktop light wallet for the NEO blockchain, supporting wallet creation, Ledger hardware login, NEP6 accou… | 31 | 1012 | active |
| PaulRBerg/prb-math PRBMath is a Solidity library for advanced fixed-point arithmetic using signed SD59x18 and unsigned UD60x18 number formats with 18 decimals… | 86 | 1007 | stable |
| sc-forks/solidity-coverage solidity-coverage (Solcover) is a Hardhat plugin that measures code coverage for Solidity smart-contract test suites. It instruments contra… | 52 | 1001 | active |
| piotrnar/gocoin Gocoin is a full Bitcoin solution written in Go, consisting of a high-performance P2P full node client and a separate offline cold-storage … | 74 | 998 | active |
| Uniswap/v2-core The core smart contracts of Uniswap V2, a decentralized exchange protocol on Ethereum. It contains the audited Solidity contracts for the a… | 70 | 3354 | maintenance |
| NebuTech/NBMiner NBMiner is a closed-source GPU cryptocurrency miner supporting algorithms like ethash, etchash, kawpow, cuckoo_ae, beamv3, octopus, and erg… | 23 | 3177 | maintenance |
| dcnetio/web-dc-api web-dc-api is a browser-based decentralized application SDK that unifies wallet-based identity, private user databases, shared key-value st… | 77 | 927 | active |
| bcoin-org/bcoin Bcoin is an alternative implementation of the Bitcoin protocol written in JavaScript and C/C++ for Node.js and browsers. It can run as a fu… | 23 | 3069 | maintenance |
| Base Base Node is a Docker-based deployment that runs a full Base L2 Ethereum node using the base-reth execution client and base-consensus. It p… | 86 | 909 | active |
| paradigmxyz/artemis Artemis is a Rust framework for writing MEV (maximal extractable value) bots, architected as an event processing pipeline with three compon… | 30 | 2968 | maintenance |
| dethcrypto/TypeChain TypeChain generates TypeScript bindings from Ethereum smart contract ABIs, giving statically typed access to contract methods and events. I… | 23 | 2789 | maintenance |
| solana-foundation/solana-web3.js The Solana JavaScript SDK (v1.x maintenance branch) for interacting with accounts and programs on the Solana blockchain via its JSON RPC AP… | 97 | 2758 | maintenance |
| WalletConnect/create-eth-app Create Eth App is a command-line scaffolding tool that generates Ethereum-powered React applications with one command, similar to Create Re… | 10 | 2744 | maintenance |
| Aircoin-official/AirCash AirCash is a decentralized OTC (over-the-counter) platform implemented in Solidity that lets users buy and sell cryptocurrency with fiat mo… | 32 | 2725 | maintenance |
| eth-brownie/brownie Brownie is a Python-based development and testing framework for Ethereum smart contracts targeting the EVM, supporting Solidity and Vyper. … | 84 | 2719 | maintenance |
| Sia Sia is a decentralized, blockchain-based peer-to-peer cloud storage marketplace where users rent storage from hosts, with files encrypted a… | 10 | 2693 | maintenance |
| Ganache Ganache is a personal blockchain for Ethereum development, providing a local simulated network with GUI (Electron) and CLI variants for dep… | 10 | 2623 | maintenance |
| ethers-rs ethers-rs is a complete Ethereum and Celo library and wallet implementation in Rust, providing JSON-RPC clients, contract bindings via abig… | 10 | 2506 | maintenance |
| LBRY Android The official LBRY Android app, a mobile browser and wallet for the LBRY decentralized content network. It lets users discover, view, publis… | 23 | 2393 | maintenance |
| Cocos-BCX/cocos-bcx-node-bin Binary executables for the Cocos-BCX blockchain, including a full node (witness_node) and a CLI wallet client. It ships prebuilt binaries p… | 32 | 2346 | maintenance |
| QuipNetwork/quip-miner A Python mining stack for the Quip Network Substrate chain that coordinates CPU (simulated annealing), GPU (CUDA/Metal/Modal), and QPU (D-W… | 61 | 11592 | experimental |
| madMAx43v3r/chia-plotter A high-performance, pipelined multi-threaded Chia plotter written in C that creates proof-of-space plot files for the Chia blockchain. It u… | 32 | 2208 | maintenance |
| codeSTACKr/create-10k-nft-collection A Node.js CLI toolkit for generating, uploading, and minting large generative NFT collections (10,000+) from layered image assets. Built on… | 23 | 2185 | maintenance |
| Quip Network Quip Network SDK is a TypeScript SDK plus a set of EVM smart contracts (Deployer, WOTSPlus, QuipFactory) for interacting with the Quip Netw… | 63 | 11341 | experimental |
| lbryio/torba Torba is a Python library and client/server framework for building fast, correct, and scalable cryptocurrency wallets based on Bitcoin. It … | 10 | 2128 | maintenance |
| dapptools Dapptools is a suite of Unix-philosophy CLI tools for Ethereum smart contract development, including dapp (build/test/fuzz/deploy), seth (E… | 23 | 2123 | maintenance |
| flashbots/simple-arbitrage An example TypeScript arbitrage bot that discovers, evaluates, and submits arbitrage bundles to the Flashbots relay on Ethereum. It serves … | 32 | 2112 | maintenance |
| Compound Protocol The Compound Protocol is an Ethereum smart contract system for decentralized lending and borrowing of crypto assets. Accounts supply Ether … | 23 | 2032 | maintenance |
| codeSTACKr/minter-dapp A JavaScript-based minting dApp starter kit for creating, deploying, and minting NFT collections. It includes a backend for generative art … | 23 | 2016 | maintenance |
| OffchainLabs/arbitrum-classic Arbitrum Classic is the original Arbitrum Layer-2 optimistic rollup tech stack for Ethereum, implemented in Go, that powers fast and privat… | 84 | 2001 | maintenance |
| steemit/steem Steem is the C++ implementation of the Steem blockchain, a delegated proof-of-stake (DPOS) network designed for social media applications a… | 61 | 1947 | maintenance |
| scipr-lab/libsnark libsnark is a C++ library implementing zkSNARK schemes, cryptographic constructions for proving and verifying computations in zero knowledg… | 40 | 1931 | maintenance |
| Defi-Cartel/salmonella Salmonella is a demonstration project that deploys a malicious ERC-20 token contract designed to detect and punish sandwich traders on Ethe… | 32 | 1855 | maintenance |
| raiden-network/raiden Raiden is a Python client implementing an off-chain state channel network for Ethereum, enabling near-instant, low-fee token transfers with… | 23 | 1832 | maintenance |
| Project-DARC/DARC DARC is a company virtual machine that deploys to EVM-compatible blockchains, featuring multi-level tokens, dividend mechanisms, and a plug… | 31 | 9154 | experimental |
| chain/Core Chain Core is a Go application for operating and connecting to permissioned blockchain networks conforming to the Chain Protocol, maintaini… | 50 | 1784 | maintenance |
| web3ui/web3uikit A React component library of lightweight, reusable Web3 UI components (buttons, crypto cards, icons, wallet widgets) for building decentral… | 33 | 1780 | maintenance |
| SavjeeCoin SavjeeCoin is a minimal blockchain implementation in JavaScript, built as an npm library to accompany a YouTube tutorial series. It demonst… | 52 | 1772 | maintenance |
| jammy928/CoinExchange_CryptoExchange_Java A Java-based open source cryptocurrency exchange platform built on Spring Cloud microservices, including a matching trading engine, admin b… | 32 | 1731 | maintenance |
| xuperchain/xuperchain XuperChain is an open-source blockchain framework from Baidu's XuperChain Lab for building high-performance permissioned alliance networks.… | 23 | 1703 | maintenance |
| perlin-network/life Life is a secure and fast WebAssembly virtual machine written in pure Go, featuring an interpreter and an experimental AOT compilation engi… | 32 | 1690 | maintenance |
| Tornado Cash Tornado Cash is a non-custodial privacy protocol for Ethereum and ERC20 tokens built on zkSNARKs, implemented as smart contracts with JavaS… | 10 | 1675 | maintenance |
| aergoio/litetree LiteTree is a modified SQLite engine that supports database branching, allowing multiple connections to read or write separate branches or … | 55 | 1639 | maintenance |
| NotLuksus/nft-art-generator A Node.js CLI tool that generates generative NFT art by layering trait images with configurable rarities and outputs OpenSea-compatible met… | 32 | 1600 | maintenance |
| benyaminahmed/nft-image-generator A Jupyter Notebook that generates a series of unique NFT images by combining a collection of image layers, outputting images and tokenId-ba… | 32 | 1594 | maintenance |
| MyEtherWallet MyEtherWallet (MEW) is a free, open-source, client-side interface for creating and managing Ethereum wallets and interacting with the Ether… | 96 | 1585 | maintenance |
| TrueFiEng/useDApp useDApp is a React framework for rapidly building Ethereum decentralized applications (Dapps). It provides composable hooks for reading on-… | 23 | 1582 | maintenance |
| fingerchar/fingernft FingerNFT is an open-source decentralized NFT marketplace built on Ethereum-compatible chains (Ethereum, BSC, HECO, Polygon), developed wit… | 32 | 1539 | maintenance |
| CovenantSQL/CovenantSQL CovenantSQL is a decentralized, Byzantine fault tolerant SQL database built on SQLite with blockchain features like immutable query history… | 23 | 1531 | maintenance |
| tomusdrw/rust-web3 A Rust library implementing an Ethereum JSON-RPC client with multiple transports (HTTP, IPC, WebSockets), analogous to web3.js. It provides… | 55 | 1509 | maintenance |
| Democracy Earth Sovereign Democracy Earth's Sovereign is a decentralized application (Dapp) for censorship-resistant digital democracy and governance, built on Ether… | 23 | 1507 | maintenance |
| duckdegen/apebot A TypeScript trading bot that detects new Binance token listings via a proxy-rotated crawler and aggressively buys the token onchain using … | 32 | 1506 | maintenance |
| Tezos Tezos is a self-amending cryptographic ledger (blockchain) platform supporting smart contracts, implemented in OCaml. This repository is a … | 32 | 1499 | maintenance |
| regolith-labs/ore-cli-legacy A Rust command-line interface for mining the ORE cryptocurrency on the Solana blockchain. This legacy version is deprecated in favor of a n… | 39 | 1494 | maintenance |
| Consensys/eth-lightwallet A lightweight JavaScript HD wallet for Ethereum that stores private keys encrypted in the browser or Node.js. It generates BIP32/BIP39 addr… | 32 | 1476 | maintenance |
| aave/aave-protocol Open source implementation of Aave Protocol Version 1.0, a decentralized lending pool system built on Ethereum smart contracts. This is the… | 10 | 1435 | maintenance |
| larvalabs/cryptopunks The original CryptoPunks project: 10,000 unique algorithmically generated 24x24 pixel collectible characters whose ownership is managed by … | 32 | 1433 | maintenance |
| hyperledger-labs/blockchain-explorer Hyperledger Blockchain Explorer is a web application for browsing activity on a blockchain network, primarily Hyperledger Fabric. It provid… | 10 | 1426 | maintenance |
| 1808 Standard & Multiverse System A reference implementation of the ERC-1808 token standard, an Ethereum proposal for NFTs with nested asset support, originating from the Co… | 32 | 1425 | maintenance |
| eosjs eosjs is a TypeScript/JavaScript library for integrating applications with EOSIO-based blockchains via the EOSIO RPC API. It provides trans… | 10 | 1422 | maintenance |
| eosjs EOSIO is an open-source blockchain smart contract platform written in C++ that executes contracts via WebAssembly. It provides high-perform… | 10 | 1422 | maintenance |
| handshake-org/hs-airdrop hs-airdrop is the official redemption tool for the Handshake network's decentralized airdrop of HNS coins to open source developers. It che… | 32 | 1415 | maintenance |
| MyCrypto MyCrypto is an open-source, client-side Ethereum wallet manager for creating, importing, and managing Ethereum accounts and sending transac… | 23 | 1406 | maintenance |
| Open Ethereum Mining Pool An open-source Ethereum mining pool server written in Go that supports HTTP and Stratum mining protocols. It includes a built-in Ember.js s… | 10 | 1396 | maintenance |
| eggprotocol/EGG EGG Protocol is an implementation of the EGG token and a set of Ethereum smart contracts for staking, voting, periodic token burns, and loc… | 32 | 1395 | maintenance |
| Ripple Trade client Ripple Trade client is an open-source web-based GUI for the Ripple payment network, enabling peer-to-peer exchange of fiat, cryptocurrencie… | 10 | 1356 | maintenance |
| MetaMask/eth-phishing-detect A TypeScript utility and curated blocklist of malicious domains targeting Web3 and Ethereum users, maintained by MetaMask. It provides CLI … | 68 | 1341 | maintenance |
| enzymefinance/oyente Oyente is a static analysis tool for Ethereum smart contracts that detects security vulnerabilities using symbolic execution of EVM bytecod… | 10 | 1337 | maintenance |
| TokenMarket Security Token Toolkit A collection of audited Ethereum smart contracts plus a Python command-line toolchain for launching and managing token sales (crowdsales/IC… | 32 | 1325 | maintenance |
| dabit3/polygon-ethereum-nextjs-marketplace A full stack NFT marketplace application built with Next.js, Solidity smart contracts, Polygon, and IPFS. It serves as companion code to a … | 32 | 1322 | maintenance |
| CITA CITA is a high-performance, open-source blockchain kernel written in Rust, designed for enterprise consortium chains. It uses a microservic… | 23 | 1302 | maintenance |
| BytomDAO/bytom The official Go implementation of the Bytom blockchain protocol, providing a full node daemon (bytomd) and CLI client (bytomcli) for a mult… | 10 | 1268 | maintenance |
| Uniswap/v2-periphery Peripheral smart contracts for interacting with Uniswap V2, a decentralized exchange protocol on Ethereum. It provides contract artifacts a… | 76 | 1267 | maintenance |
| web3p/web3.php A PHP library providing an interface to the Ethereum blockchain via JSON-RPC, supporting HTTP, async, and WebSocket providers. It includes … | 23 | 1249 | maintenance |
| Exonum Exonum is an extensible open-source Rust framework for building private, permissioned blockchain applications with a custom Byzantine fault… | 23 | 1246 | maintenance |
| decentralized-identity/ion ION is a public, permissionless Decentralized Identifier (DID) network implementing the Sidetree protocol as a Layer 2 overlay on Bitcoin. … | 23 | 1228 | maintenance |
| p2pool/p2pool P2Pool is a decentralized peer-to-peer Bitcoin mining pool implemented in Python that runs alongside a local bitcoind node. It forms a netw… | 60 | 1202 | maintenance |
| blockcypher/explorer A Python/Django web application that serves as a blockchain explorer, showcasing the BlockCypher APIs for looking up transactions, addresse… | 32 | 1193 | maintenance |
| jmzkChain/jmzk jmzkChain is a C++ blockchain node implementation developed by Hangzhou Yuliankeji (Vastchain), described as a 'Boost Engine for Regulation… | 23 | 1166 | maintenance |
| m1guelpf/lil-web3 A collection of small, intentionally-limited Solidity smart contracts that reimplement popular web3 protocols and apps like ENS, OpenSea, a… | 32 | 1164 | maintenance |
| Cocos-BCX JSSDK A demo application showcasing the Cocos-BCX JavaScript SDK, demonstrating blockchain operations like account creation, login, and asset tra… | 32 | 1163 | maintenance |
| 0xs34n/blockchain-cli A minimal blockchain command-line interface built with Node.js that lets users create blocks, mine with proof-of-work, validate chain integ… | 32 | 1157 | maintenance |
| Arachnid/solidity-stringutils A string and slice utility library for Solidity smart contracts, providing efficient string manipulation via a lightweight 'slice' abstract… | 32 | 1155 | maintenance |
| dalek-cryptography/bulletproofs A pure-Rust implementation of Bulletproofs zero-knowledge range proofs using the Ristretto group over Curve25519. It supports single and ag… | 32 | 1135 | maintenance |
| stellar-deprecated/kelp Kelp is a free and open-source trading bot written in Go for the Stellar DEX and 100+ centralized exchanges like Binance, Kraken, and Coinb… | 10 | 1125 | maintenance |
| Zilliqa/zq1 Zilliqa is the C++ reference client for the Zilliqa layer-1 public blockchain, a high-throughput smart contract platform that uses sharded … | 10 | 1116 | maintenance |
| stacks-archive/blockstack-browser The Blockstack Browser is a desktop and web application for exploring the Blockstack decentralized internet, managing decentralized identit… | 10 | 1114 | maintenance |
| iov-one/weave IOV Weave is a Go framework for building custom ABCI applications that run on the Tendermint BFT proof-of-stake consensus engine. It provid… | 23 | 1105 | maintenance |
| exorde-labs/exorde-client The Exorde client is a Python CLI worker node for the Exorde Network, a decentralized protocol where participants scrape social media and w… | 54 | 1081 | maintenance |
| bitcoin-php A PHP library implementing Bitcoin protocol primitives including blocks, transactions, scripts, and deterministic key algorithms (BIP32, BI… | 60 | 1076 | maintenance |
| eveem-org/panoramix Panoramix is a Python-based decompiler that converts Ethereum smart contract bytecode into readable pseudocode, powering the Eveem.org serv… | 32 | 1055 | maintenance |
| 0xPolygon/polygon-edge Polygon Edge is a modular, extensible framework written in Go for building Ethereum-compatible (EVM) blockchain networks with custom consen… | 10 | 1051 | maintenance |
| nibbstack/erc721 The reference implementation of the ERC-721 non-fungible token (NFT) standard written in Solidity for Ethereum, Wanchain, and other EVM-com… | 67 | 1047 | maintenance |
| WaykiChain/WaykiChain WaykiChain is an open-source public blockchain node implementation (coind) written in C++, designed as a decentralized finance (DeFi) infra… | 23 | 1045 | maintenance |