Browse open-source Web3 and blockchain tools focused on Ethereum development and tooling. Foundry is a portable toolkit for Ethereum application development written in Rust. Wagmi supplies reactive primitives for building Ethereum apps, and Scribble instruments Solidity smart contracts with checkable annotations.
The most popular open-source Web3 & Blockchain tool by GitHub stars is MetaMask Extension(13.0k stars), followed by Foundry(10.3k stars)and Wagmi(6.7k stars). This page lists the top 11 of 11 web3 & blockchain tools in the directory, ranked by community adoption.
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | MetaMask Extension The MetaMask browser extension is a user-friendly crypto wallet facilitating secure interaction with Ethereum blockchain-enabled sites, decentralized applications (dApps), and Web3 projects directly from your browser. | 13.0k | TypeScript | Other |
| 2 | Foundry Foundry is a blazing fast, portable and modular toolkit for Ethereum application development, written in Rust. | 10.3k | Rust | Apache License 2.0 |
| 3 | Wagmi Reactive primitives for building Ethereum applications, offering seamless integration with blockchain networks. | 6.7k | TypeScript | MIT License |
| 4 | EthList The Comprehensive Ethereum Reading List offers a curated list of resources for learning about Ethereum, blockchain technology, and related subjects. | 3.9k | — | — |
| 5 | Awesome Ethereum A curated list of awesome resources for Ethereum, ranging from development tools to educational material. | 913 | — | — |
| 6 | Eth-gas-reporter An Ethereum gas usage reporter for Mocha tests providing average gas usage per method and unit test analysis. | 600 | JavaScript | MIT License |
| 7 | Tenderly-cli A comprehensive CLI tool for smart contract error tracking, monitoring, and alerting in blockchain environments. | 540 | Go | GNU General Public License v3.0 |
| 8 | Sigle An open-source Web3 writing platform designed for Web3 writers to share and monetize content. | 483 | TypeScript | MIT License |
| 9 | Scribble Scribble is an instrumentation tool designed for adding and checking annotations in Solidity smart contracts, enhancing security and reliability. | 325 | TypeScript | Apache License 2.0 |
| 10 | Smock The Solidity mocking library enabling developers to easily mock smart contracts for Ethereum development. | 321 | TypeScript | MIT License |
The MetaMask browser extension is a user-friendly crypto wallet facilitating secure interaction with Ethereum blockchain-enabled sites, decentralized applications (dApps), and Web3 projects directly from your browser.
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development, written in Rust.
Reactive primitives for building Ethereum applications, offering seamless integration with blockchain networks.
The Comprehensive Ethereum Reading List offers a curated list of resources for learning about Ethereum, blockchain technology, and related subjects.
A curated list of awesome resources for Ethereum, ranging from development tools to educational material.
An Ethereum gas usage reporter for Mocha tests providing average gas usage per method and unit test analysis.
A comprehensive CLI tool for smart contract error tracking, monitoring, and alerting in blockchain environments.
An open-source Web3 writing platform designed for Web3 writers to share and monetize content.
Scribble is an instrumentation tool designed for adding and checking annotations in Solidity smart contracts, enhancing security and reliability.
The Solidity mocking library enabling developers to easily mock smart contracts for Ethereum development.
A boilerplate for quickly starting Solidity projects using Hardhat, the Ethereum development environment, enabling efficient smart contract development and testing.
MetaMask Extension leads by GitHub stars(13.0k). The MetaMask browser extension is a user-friendly crypto wallet facilitating secure interaction with Ethereum blockchain-enabled sites, decentralized applications (dApps), and Web3 projects directly from your browser.
Yes. Every tool on this list is open source and free to use in your own projects. Many can be self-hosted.
Tools are ranked by GitHub star count, a strong proxy for community adoption and active maintenance. Star counts are refreshed regularly.
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