Master programming by recreating your favorite technologies from scratch.

😎 Awesome lists about all kinds of interesting topics

A collective list of free APIs

📚 Freely available programming books

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

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

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

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

Curated list of project-based tutorials

The library for web and native user interfaces.

Linux kernel source tree

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

A book series (2 published editions) on the JS language.

Visual Studio Code

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

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

The React Framework

Curated coding interview preparation materials for busy software engineers

The Go programming language

Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

The open source coding agent.

A framework for building native applications using React

Build cross-platform desktop apps with JavaScript, HTML, and CSS

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

Node.js JavaScript runtime ✨🐢🚀✨

JavaScript 3D Library.

Empowering everyone to build reliable and efficient software.