Free
Capacitor
Open SourceCross-Platform · Mobile Development
Run web apps natively on iOS, Android and the web.
hybridweb-viewsmobilejavascript
Browse the complete directory — use filters to narrow down.
Cross-Platform · Mobile Development
Run web apps natively on iOS, Android and the web.
Design Systems · Design & Prototyping
IBM's open-source design system for products and experiences.
Text & Diff · Developer Utilities
Create and share beautiful images of your source code.
Queues & Streaming · Database
The classic Python distributed task queue — async jobs, schedules and workflows on RabbitMQ or Redis.
UI Libraries · Frontend
Accessible, themeable React component system with style props.
Data Viz & Charts · Frontend
Simple, canvas-based charting for the web — eight chart types with sensible defaults and plugins.
Package Managers · Development Environment
Package manager for Windows built on NuGet infrastructure.
Vector Databases · AI for Developers
Open-source embedding database designed for local-first AI apps.
NoSQL · Database
Blazing-fast columnar database for real-time analytics.
AI Coding Assistants · AI for Developers
Open-source autonomous coding agent as a VS Code extension.
Relational · Database
Distributed, PostgreSQL-compatible SQL database built for resilience.
AI Coding Assistants · AI for Developers
OpenAI's open-source coding agent for your terminal.
Agent & LLM Frameworks · AI for Developers
Node-graph UI for Stable Diffusion and other generative models.
Hooks & Commits · Git & Version Control
Lint commit messages against Conventional Commits rules.
AI Coding Assistants · AI for Developers
Open-source AI code assistant you can point at any model.
Serverless & BaaS · Database
Reactive backend platform with a realtime TypeScript database.
Self-Hosted PaaS · Cloud Platforms
Open-source, self-hosted Heroku/Netlify alternative.
Web Scraping · Data & Analytics
TypeScript web scraping and browser-automation library from Apify — anti-blocking and queue management included.
Full-stack Boilerplates · Project Starters
Scaffold a typesafe full-stack Next.js app in seconds — tRPC, Prisma/Drizzle, NextAuth and Tailwind wired together.
Agent & LLM Frameworks · AI for Developers
Framework for role-playing, autonomous AI agent teams.
CSV · Data Formats
Suite of command-line utilities for converting to and working with CSV.
CLI Tools · Development Environment
The classic command-line tool for transferring data with URLs.
E2E & Browser · Testing
Developer-friendly browser-based E2E testing framework.
Data Viz & Charts · Frontend
The foundational data visualization library — direct SVG/DOM manipulation for fully custom visuals.