Free
Headless UI
Open SourceUI Libraries · Frontend
Unstyled, accessible React and Vue primitives (dialogs, menus, comboboxes) from the Tailwind team.
headlessreactvuecomponents
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UI Libraries · Frontend
Unstyled, accessible React and Vue primitives (dialogs, menus, comboboxes) from the Tailwind team.
Agent & LLM Frameworks · AI for Developers
Open-source LLM observability — logging, caching, rate limiting and cost tracking behind a one-line proxy.
Orchestration · DevOps
The package manager for Kubernetes applications.
Icons · Frontend
Free hand-crafted SVG icons by the Tailwind CSS team.
UI Libraries · Frontend
Beautiful Tailwind + React components (formerly NextUI).
Package Managers · Development Environment
The missing package manager for macOS and Linux.
Frameworks · Backend
Ultrafast web framework that runs on any JS runtime and edge.
API Clients · API Tools
Lightweight, open-source API development ecosystem in the browser.
Frameworks · Frontend
Access modern browser features directly from HTML, no JS build needed.
Headers & CSP · Security
Mozilla's scanner that grades a site's security headers and config.
Tunneling & Debugging · API Tools
One-click HTTP interception, inspection and mocking for any stack.
API Mocking · API Tools
HTTP request and response service for testing clients.
API Clients · API Tools
User-friendly HTTP client for the CLI with JSON-first syntax.
Models & LLM APIs · AI for Developers
The AI community hub: models, datasets, spaces and libraries.
Illustrations & Assets · Design & Prototyping
Free modular people illustrations by Pablo Stanley — rotate limbs and mix outfits in a friendly flat style.
Design Systems · Design & Prototyping
Apple's design guidelines for iOS, macOS and other platforms.
Hooks & Commits · Git & Version Control
Modern Git hooks manager for JavaScript projects.
Ecosystem · CSS Tools
Free open-source Tailwind CSS components and blocks for marketing sites and e-commerce, copy-paste ready.
Internationalization · Frontend
The de-facto JavaScript i18n framework — namespaces, plurals, interpolation and plugins for every framework.
Icons · Frontend
Icon explorer that searches dozens of icon sets instantly and copies as SVG, component or data-URI.
Icons · Frontend
Unified framework for using 200,000+ icons from many icon sets.
Regex
Collection of ready-made regex snippets with visual explanations.
Conversion · Image & Media
Classic CLI suite for creating, editing and converting images.
Compression & Optimization · Image & Media
Free Mac app to optimize images without quality loss.