Free
Caddy
Open SourceWeb Servers & Proxies · DevOps
Web server with automatic HTTPS and simple configuration.
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Web Servers & Proxies · DevOps
Web server with automatic HTTPS and simple configuration.
Cross-Platform · Mobile Development
Run web apps natively on iOS, Android and the web.
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.
AI Coding Assistants · AI for Developers
OpenAI's open-source coding agent for your terminal.
Hooks & Commits · Git & Version Control
Specification for structured, human and machine-readable commit messages.
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.
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.
Data Viz & Charts · Frontend
The foundational data visualization library — direct SVG/DOM manipulation for fully custom visuals.
UI Libraries · Frontend
Tailwind CSS component library with semantic class names.
Programming Languages
Official Dart language site with docs, packages and samples.
Frameworks · Backend
Secure-by-default JavaScript/TypeScript runtime with built-in tooling.
Offline Toolkits · Developer Utilities
The developer swiss-army knife for Windows and macOS — JSON formatting, base64, JWT, regex and 30+ tools, fully offline.
Illustrations & Assets · Design & Prototyping
Avatar generator with 30+ styles — deterministic avatars from any seed via library, API or playground.
Frameworks · Backend
Batteries-included Python web framework with admin and ORM.
Documentation Generators · PDF & Documents
React-based static site generator optimized for documentation.
Self-Hosted PaaS · Cloud Platforms
Mini-Heroku powered by Docker: push-to-deploy on your own server.
ORMs · Backend
Lightweight, SQL-like TypeScript ORM with zero dependencies.
Relational · Database
Fast in-process analytical (OLAP) SQL database, like SQLite for analytics.
Desktop Apps · Frontend
The framework behind VS Code and Slack for cross-platform desktop apps.
UI Libraries · Frontend
The classic Element UI rebuilt for Vue 3 — battle-tested desktop-first enterprise components.