Free
Models & LLM APIs · AI for Developers
Meta's open-weight LLM family with downloadable weights.
aillmllamaopen-source
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Models & LLM APIs · AI for Developers
Meta's open-weight LLM family with downloadable weights.
Models & LLM APIs · AI for Developers
The C/C++ inference engine that runs LLMs everywhere, even laptops.
Load & Performance · Testing
Scalable user load testing written in Python.
Programming Languages
Official Lua website with reference manual and source.
Icons · Frontend
Beautiful, consistent open-source icon library with framework packages.
Mobile Backend & Services · Mobile Development
Simple YAML-driven UI testing for iOS and Android (trending).
Email · API Tools
Self-hosted email testing tool with a web UI, catches local mail.
CLI Tools · Development Environment
The classic build automation and task runner present everywhere.
UI Libraries · Frontend
Full-featured React components with hooks and theming out of the box.
Relational · Database
Community-developed MySQL fork with a permissive license.
MCP · AI for Developers
The open standard connecting AI models to tools and data sources.
Documentation Generators · PDF & Documents
Create books and docs from Markdown, made by the Rust community.
UI Libraries · Frontend
Headless, accessible Svelte component builders — behavior only, you bring the styling.
NoSQL · Database
The classic, simple distributed memory object cache.
Wallets & Infrastructure · Web3 & Blockchain
The most used self-custody crypto wallet — browser extension and mobile, with Snaps extensibility and dApp permissions.
Package Managers · Development Environment
Polyglot runtime manager and task runner (modern asdf alternative).
Documentation Generators · PDF & Documents
Python static site generator for project documentation.
Unit & Component · Testing
Flexible Node.js test framework that pairs well with Chai.
API Mocking · API Tools
Easy, open-source tool to run mock REST API servers locally.
Mocks & Fakes · Testing
Mock Service Worker: seamless API mocking for browser and Node tests.
UI Libraries · Frontend
A complete Vue 3 component library with TypeScript, theming and a clean modern look.
Mobile UI Libraries · Mobile Development
Use Tailwind CSS in React Native — the familiar utility classes compiled to native styles.
Queues & Streaming · Database
Lightweight, high-performance messaging and microservices bus.
Editors & IDEs · Development Environment
Hyperextensible Vim-based text editor with built-in LSP support.