Master programming by recreating your favorite technologies from scratch.

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

A collective list of free APIs

📚 Freely available programming books

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

A complete computer science study plan to become a software engineer.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

A list of Free Software network services and web applications which can be hosted on your own servers

Curated list of project-based tutorials

🎓 Path to a free self-taught education in Computer Science!

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

An Open Source Machine Learning Framework for Everyone

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

A curated list of awesome Go frameworks, libraries and software

Master the command line, in one page

Stable Diffusion web UI

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

分享 GitHub 上有趣、入门级的开源项目。Share interesting, entry-level open source projects on GitHub.

Curated coding interview preparation materials for busy software engineers

🦜🔗 The platform for reliable agents.

Production-ready platform for agentic workflow development.

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version in translation

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Virtual whiteboard for sketching hand-drawn like diagrams

A modern runtime for JavaScript and TypeScript.

Collection of publicly available IPTV channels from all over the world