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daisyUI
Open SourceUI Libraries · Frontend
Tailwind CSS component library with semantic class names.
tailwindcomponentscss
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UI Libraries · Frontend
Tailwind CSS component library with semantic class names.
Programming Languages
Official Dart language site with docs, packages and samples.
SQL Tools
Online SQL playground for testing and sharing queries across engines.
GUI Clients · Database
Open-source database manager for SQL and NoSQL with web and desktop apps.
Regex
Regex tester with railway diagram visualization for PCRE, Python and JS.
Frameworks · Backend
Secure-by-default JavaScript/TypeScript runtime with built-in tooling.
Communities · Documentation & Learning
Community where developers write articles and share knowledge.
References · Documentation & Learning
Fast, offline-capable API documentation browser combining 100+ references.
Cheatsheets · Documentation & Learning
Rico's cheatsheets: concise cheatsheets for dozens of tools and languages.
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.
Markdown · PDF & Documents
Online Markdown editor with live preview and cloud sync.
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.
Programming Languages
Official Elixir language website built on the Erlang VM.
Editors & IDEs · Development Environment
Extensible, customizable GNU editor and computing environment.
Time & Cron · Developer Utilities
Convert Unix timestamps to human dates and back.
Build & Lint · Frontend
Extremely fast JavaScript/TypeScript bundler and minifier in Go.
Build & Lint · Frontend
The pluggable linting utility for JavaScript and TypeScript.