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Top 23 Blockchain Open-Source Projects
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union
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance. (by unionlabs)
Stars: 29318 (1,258 stars today today) Author: unionlabs View Project
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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Solidity
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Awesome web3 Ethereum Book
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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diem
Diem’s mission is to build a trusted and innovative financial network that empowers people and businesses around the world.
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fabric
Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases. It offers a unique approach to consensus that enables performance at scale while preserving privacy. (by hyperledger)
Project mention: Fabric is an open-source framework for augmenting humans using AI | news.ycombinator.com | 2024-07-06 -
full-blockchain-solidity-course-js
Learn Blockchain, Solidity, and Full Stack Web3 Development with Javascript
Awesome Solidity Full blockchain solidity course
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full-blockchain-solidity-course-py
Ultimate Solidity, Blockchain, and Smart Contract - Beginner to Expert Full Course | Python Edition
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chia-blockchain
Chia blockchain python implementation (full node, farmer, harvester, timelord, and wallet)
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DeFi-Developer-Road-Map
DeFi Developer roadmap is a curated Developer handbook which includes a list of the best tools for DApps development, resources and references!
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foundry
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
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Project mention: L402: The Missing Piece in the Internet's Payment Infrastructure | news.ycombinator.com | 2024-07-15
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go-ibax
An innovative Blockchain Protocol Platform, which everyone can deploy their own applications quickly and easily, such as Dapp, DeFi, DAO, Cross-Blockchain transactions, etc.
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hardhat
Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
Hardhat or Truffle development environment
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Project mention: Chainlink Launches Payment Abstraction System, Overtime’s Full Account Abstraction UX, Paradigm’s EIP-7702 Demos | dev.to | 2025-04-10
Chainlink has announced the launch of its Payment Abstraction system, a cross-chain payment solution designed to reduce payment friction and simplify fee conversion for Chainlink services.
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lbry-sdk
The LBRY SDK for building decentralized, censorship resistant, monetized digital content apps.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Blockchain discussion
Blockchain related posts
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Chainlink Launches Payment Abstraction System, Overtime’s Full Account Abstraction UX, Paradigm’s EIP-7702 Demos
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Why I changed Uniswap to Rhea Finance for my dApp (Spoiler: Dev life just got easier)
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Binary Distribution Rebuilds
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Video on How to DE-Google Your Phone
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5 smart contract projects that can land you a job 🚀 💼
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Exploring EthereumJ: A Beacon of Open Source Innovation in Blockchain
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Leveraging Open Source: The Sandbox's Game-Changing Integration
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A note from our sponsor - SaaSHub
www.saashub.com | 19 Apr 2025
Index
What are some of the best open-source Blockchain projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | union | 54,358 |
| 2 | go-ethereum | 48,783 |
| 3 | hey | 28,787 |
| 4 | solidity | 24,248 |
| 5 | bitcoinbook | 24,214 |
| 6 | ethereumbook | 20,457 |
| 7 | gun | 18,374 |
| 8 | diem | 16,697 |
| 9 | kubo | 16,433 |
| 10 | fabric | 16,048 |
| 11 | full-blockchain-solidity-course-js | 13,231 |
| 12 | full-blockchain-solidity-course-py | 10,969 |
| 13 | chia-blockchain | 10,851 |
| 14 | DeFi-Developer-Road-Map | 10,201 |
| 15 | monero | 9,379 |
| 16 | foundry | 8,805 |
| 17 | ethers.js | 8,210 |
| 18 | blockchain | 7,908 |
| 19 | lnd | 7,895 |
| 20 | go-ibax | 7,870 |
| 21 | hardhat | 7,657 |
| 22 | chainlink | 7,266 |
| 23 | lbry-sdk | 7,204 |
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InfluxDB high-performance time series database
Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
influxdata.com