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.

A comprehensive curated collection of tools and recipes for Go projects, covering testing, dependencies, visualization, and static analysis.

An auto-updating index of LLM agent frameworks on GitHub, refreshed every 15 minutes by a GitHub Actions cron job that scans, diffs and republishes a structured table of tracked repositories.

A collection of coding articles and snippets designed to help developers improve their skills through practical examples and explanations.

An 'awesome' list collecting JavaScript frameworks, web component libraries, UI component libraries for React, Vue, Angular, and more, mobile UI components, admin templates, and icon libraries. It includes GitHub star and npm download badges, and covers both active and historically significant projects.

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.

Awesome Emacs is a community-driven list of useful Emacs packages, libraries, and utilities. It covers a wide range of categories from interface enhancement and editing to programming languages, AI, and productivity tools, helping users customize and optimize their Emacs workflow.

A glossary explaining functional programming jargon in simple terms with JavaScript examples.

A curated awesome list of Flutter resources, featuring libraries, UI components, tutorials, articles, videos, and open-source apps.

Awesome Python is a curated, opinionated guide to the best Python frameworks, libraries, and tools, organized into categories spanning AI/ML, web development, data science, developer tools, DevOps, CLI/GUI, security, and more.

A community-curated directory of public APIs for developers, organized by category with details on authentication, HTTPS, and CORS support.

A curated list of SaaS, PaaS, and IaaS offerings with free tiers relevant to DevOps and infrastructure developers. Covers cloud hosting, databases, CI/CD, monitoring, and more.

Curated collection of awesome lists covering platforms, programming languages, front-end, big data, security, and many other topics. A popular starting point for developers.

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

OSSU is a free, self-taught Computer Science curriculum built from top online courses, books, and a global Discord community, aiming to provide a complete CS education comparable to an undergraduate degree.

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.

Curated list of Claude Code resources—official Anthropic guides, tutorials, skills, plugins, hooks, MCP integrations, subagents, status lines, security and observability tooling, alternative clients, and agent orchestration examples.

Curated list of LangChain ecosystem tools, frameworks, and projects including low-code builders, agents, templates, and RAG applications.