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Top 23 Web3 Open-Source Projects
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Project mention: Serving Open Graph to Bots at hey.xyz: Our Client-Side SPA Approach | dev.to | 2025-04-19
At hey.xyz, we built a client-side SPA using Vite and React Router 7. But this created a challenge - how do you serve proper metadata to social media crawlers and search engines when your app renders client-side?
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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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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Awesome Solidity Full blockchain solidity course
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melonJS Lightweight HTML5 game engine.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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web3-react
A simple, maximally extensible, dependency minimized framework for building modern Ethereum dApps
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Platforms like Ethereum, Hyperledger, and Solana are used for smart contracts, enhancing transaction efficiency. Initiatives like Sonoco and IBM's Pharma Portal utilize blockchain for tracking pharmaceuticals, ensuring data integrity. As blockchain adoption grows, it will enhance security and trust across industries.
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PoWFaucet
Modularized faucet for EVM chains with different protection methods (Captcha, Mining, IP, Mainnet Balance, Gitcoin Passport and more)
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project_web3.0
This is a code repository for the corresponding video tutorial. In this video, we're going to build a Web 3.0 React Solidity Blockchain Application
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ethereum-boilerplate
The ultimate NextJS Ethereum Dapp Boilerplate which gives you maximum flexibility and speed. Feel free to fork and contribute. Although this repo is called "Ethereum Boilerplate" it works with any EVM system and since it uses Moralis SDK You can even use it on Solana! Happy BUIDL!👷♂️
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web3
Making sense of web3 & crypto. Introduction to key concepts and ideas. Rigorous, constructive analysis of key claims pro and con. A look at the deeper hopes and aspirations.
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Project mention: Ask HN: What is the best way to author blogs in 2024v | news.ycombinator.com | 2024-07-20
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
Web3 discussion
Web3 related posts
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Show HN: Mycelium
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Era of U.S. dollar may be winding down
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zkJSON Litepaper v1.0
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Public vs. Private Blockchains: Navigating the Decentralized Landscape
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KnownOrigin and the Sustainability of Open Source: Bridging Digital Art and Community Innovation
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Learn More About Drip Tokens: The Future of DeFi and Open-Source Innovation
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Arbitrum's Innovation: The Future of Multi-Chain Blockchain Technology
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A note from our sponsor - SaaSHub
www.saashub.com | 17 May 2025
Index
What are some of the best open-source Web3 projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | hey | 29,053 |
| 2 | gun | 18,420 |
| 3 | full-blockchain-solidity-course-py | 10,969 |
| 4 | ethers.js | 8,242 |
| 5 | awesome-solidity | 6,799 |
| 6 | wagmi | 6,299 |
| 7 | melonJS | 6,058 |
| 8 | DeFiHackLabs | 5,724 |
| 9 | web3-react | 5,638 |
| 10 | ethereum-org-website | 5,370 |
| 11 | PoWFaucet | 4,954 |
| 12 | project_web3.0 | 4,172 |
| 13 | ethereum-boilerplate | 4,126 |
| 14 | eattheblocks | 4,014 |
| 15 | free-Web3-resources | 3,614 |
| 16 | extension | 3,153 |
| 17 | TypeChain | 2,782 |
| 18 | rainbowkit | 2,583 |
| 19 | metamask-mobile | 2,388 |
| 20 | web3 | 1,796 |
| 21 | Planet | 1,599 |
| 22 | walletconnect-monorepo | 1,538 |
| 23 | Maskbook | 1,532 |
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