Top 23 JavaScript Web3 Projects

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1. gun

   1 249 19,054 4.2 JavaScript

   An open source cybersecurity protocol for syncing decentralized graph data.

   

   Project mention: Gun: An Ecosystem of Tools for Distributed Applications | dev.to | 2026-02-16

   Documentation

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. melonJS

   2 12 6,311 9.3 JavaScript

   a modern & lightweight HTML5 game engine

   

4. project_web3.0

   3 1 4,256 2.5 JavaScript

   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

   

5. eattheblocks

   4 13 3,989 0.0 JavaScript

   Source code for Eat The Blocks, a screencast for Ethereum Dapp Developers

   

6. alphabiz

   5 0 1,215 0.0 JavaScript

   Web3 YouTube Alternative - fully decentralized media platform and blockchain-based marketplace

   

7. frame

   6 23 1,185 4.7 JavaScript

   System-wide Web3 for macOS, Windows and Linux

   

8. eth-crypto

   7 2 916 8.7 JavaScript

   Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity

   

9. awesome-web3

   8 2 867 9.0 JavaScript

   A curated list of awesome Web3 resources, libraries, tools and more.

   

10. web3-is-going-great

    9 6 822 4.3 JavaScript

    A timeline of some of the greatest hits in cryptocurrencies, NFTs, and other web3 projects since the beginning of 2021

    

    Project mention: Mexican government breached by solo user with Claude, 150 GB exfiltrated | news.ycombinator.com | 2026-05-18

    [9] M. White, "Web3 Is Going Just Great," web3isgoinggreat.com. (Cumulative loss tracker, broader scope including exchange and protocol collapses.) [Online]. Available: https://web3isgoinggreat.com

11. etherchain-light

    10 1 669 0.0 JavaScript

    Lightweight Ethereum blockchain explorer

    

12. ethora

    11 18 536 4.0 JavaScript

    SDK monorepo for Ethora chat / messaging platform. (1) Pick an SDK for your frontend stack. (2) Integrate manually or using ethora-setup. (3) Optionally configure app settings, deploy AI agents etc. Server: ethora.com cloud [free]. Dedicated server + SLA option for enterprise customers.

    

13. Goopt

    12 13 519 0.0 JavaScript

    🔍 Search Engine for a Procedural Simulation of the Web with GPT-3.

    

14. ztm

    13 5 501 9.6 JavaScript

    ZTM (Zero Trust Mesh) is a privacy-first open-source decentralized end-to-end encrypted software defined network, based on HTTP/2 tunnels. Experience boundless connectivity and mesh the globe!

    

    Project mention: ZTM: Privacy-first P2P solution for OpenClaw and local LLMs | news.ycombinator.com | 2026-02-16

15. defi-minimal

    14 1 495 1.8 JavaScript

    This repo is dedicated to making minimal repos of existing defi primatives.

    

16. eth-sdk

    15 2 430 3.2 JavaScript

    Type-safe, lightweight SDKs for Ethereum smart contracts

    

17. web3-vs-ethers

    16 1 373 0.0 JavaScript

    A basic cheatsheet of Web3.js vs Ethers (along w/ example apps!)

    

18. hyperfy

    17 1 293 9.4 JavaScript

    World building for everyone

    

19. flux

    18 15 249 9.9 JavaScript

    Flux, Your Gateway to a Decentralized World. https://home.runonflux.io https://api.runonflux.io https://docs.runonflux.io https://source.runonflux.io https://wiki.runonflux.io (by RunOnFlux)

    

20. TokenScript

    19 1 249 5.7 JavaScript

    TokenScript schema, specs and paper

    

21. dagger.js

    20 3 221 0.0 JavaScript

    Simple library to connect with dagger server and manage subscriptions for Ethereum Blockchain.

    

22. weavedb

    21 2 209 9.6 JavaScript

    Decentralized Database as a Protocol

    

23. HSTP

    22 2 156 5.6 JavaScript

    New Internet

    

24. origin-dollar

    23 28 149 9.3 JavaScript

    OUSD and OETH are stablecoins that passively accrue yield while you are holding it

    

JavaScript Web3 related posts

• FBI: Americans lost a record $21B to cybercrime last year

  1 project | news.ycombinator.com | 8 Apr 2026

• Building a P2P Collaborative Whiteboard with GenosDB in a Single HTML File

  1 project | dev.to | 17 Feb 2026

• ZTM: Privacy-first P2P solution for OpenClaw and local LLMs

  1 project | news.ycombinator.com | 16 Feb 2026

• E: An all in one webapp built using React.js

  1 project | news.ycombinator.com | 14 Dec 2025

• Introducing GenosDB: a P2P Graph Database with Built-In Zero-Trust Security

  1 project | dev.to | 14 Oct 2025

• The Dying Dream of a Decentralized Web

  6 projects | news.ycombinator.com | 9 Sep 2025

• A zero trust framework for MCP based AI Agent development

  1 project | news.ycombinator.com | 28 Jun 2025
• A note from our sponsor - SaaSHub
  www.saashub.com | 13 Jun 2026

  SaaSHub helps you find the best software and product alternatives Learn more →

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