1. VS Code

Free: completely free and open-source.

Community-Backed: widely adopted by the Web3/DeFi community; supports many extensions for Solidity, Hardhat, Foundry.

Secure: no malware history, audited by community, maintained by Microsoft as open-source.

Description (10 lines): Lightweight, extensible and highly customizable code editor. Supports languages like Solidity, TypeScript, Rust. Built-in Git support, debugging tools, and terminal. Rich extension ecosystem (Solidity, Solidity Visual Developer, Hardhat, Foundry, Ethers, Web3). Highly configurable via settings.json and workspace setups. Supports linting, formatting, code snippets, and deploy scripts. Integrates easily with Hardhat and Foundry tools. Excellent local and remote development (Dev Containers). Widely used by Web3 teams on GitHub, Reddit, and Twitter.

Links: Official site | GitHub

2. Scaffold‑Hook (Uniswap Foundation)

Free & open-source. Allows complete project scaffolding for hooks with testnet deploy and minimal UI ([github.com](https://github.com/ora-io/awesome-uniswap-hooks)).

Links: GitHub

3. v4-template (Saucepoint)

Official template for creating hooks using Foundry; includes example hooks like CounterHook.

Links: GitHub

4. Hook Mine And Sinker

Generates deterministic addresses (create2) compatible with hooks; free and community safe.

Links: Project link

5. Hook Deployer

Tool for deploying hooks using create2, free and maintained by the open-source community.

Links: Project link

6. Uniswap v4 Tests / Test Framework

Testing suite and fuzzing tools for Foundry-based hooks. Secure, free and community-audited.

Links: Project link

7. Hookmate

Library to help manage fees and access control for hooks. Experimental but open-source.

Links: Project link

8. UniKits‑Dev/uniswap‑v4‑unikits‑hooks

Set of sample hooks (LensAuth, LensPost, etc.) under MIT license; fully free and open-source.

Links: GitHub

9. OpenZeppelin Hooks Library

Secure hook libraries by OpenZeppelin for Uniswap v4; open-source and battle-tested.

Links: OpenZeppelin Blog

10. Certora – Best Practices Blog

Free educational content on writing secure Uniswap v4 hooks; includes patterns and vulnerabilities to avoid.

Links: Certora blog