Open source. Open possibilities.

A curated list of Web Performance Optimization (WPO) resources, featuring tools, articles, books, talks, and events to help developers improve website speed, Core Web Vitals, and user experience.

High-quality macOS software collection, systematically categorized for easy search and use.

Akizuki is a modern web interface for viewing and editing MyAnimeList anime and manga lists, featuring a custom tags editor.

A comprehensive, community-curated collection of free learning resources for programming, including books, courses, and interactive tutorials in numerous languages.

A community-maintained directory of 730+ free public APIs across 48 categories, with a searchable website and a free JSON API endpoint. Covers animals, anime, finance, geocoding, weather and more.

A curated directory of free public APIs, organized by category and updated by a large community, helping developers find available endpoints for their projects.

Maintains updated lists of public BitTorrent trackers across multiple protocols (HTTP, HTTPS, UDP, WebSocket, I2P, Yggdrasil). Automatically checked and sorted by popularity and latency.

A community-maintained collection of exemplary developer documentation, guides for writing and styling technical content, and tools for generating or publishing documentation.

A curated directory of free stock photography, video, illustration, vector, icon, font, pattern, texture, and sound resources, organized by media type and license.

A curated list of Android security resources including tools for static/dynamic analysis, reverse engineering, fuzzing, and vulnerability scanning.

A curated directory of CSS frameworks organized by category, including base resets, classless frameworks, lightweight options, general-purpose frameworks, Material Design, utility-based, specialized, and stalled projects.

A curated awesome list of delightful Node.js packages and resources, covering CLI apps, web frameworks, HTTP clients, testing, debugging, databases, and learning materials.

A curated list of open-source projects with beginner-friendly issues, helping new contributors find their first pull request opportunities across many programming languages.

A curated list of C++ and C frameworks, libraries, tools, and resources. Covers standard libraries, AI, GUI, networking, audio, math, and more—organized into comprehensive categories for C++ developers.

Awesomo is a curated collection of open source projects organized by programming language, offering developers a quick way to discover active repositories and contribute to open source.

A curated list of tools and resources for security incident response, aimed at helping security analysts and DFIR teams.

A collaborative, categorized directory of open-source iOS apps with source code links and descriptions, useful for developers seeking real-world reference examples.