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. 🦞

An opinionated list of Python frameworks, libraries, tools, and resources.

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

Curated list of project-based tutorials

All Algorithms implemented in Python

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

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

A collection of useful .gitignore templates

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

Master the command line, in one page

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

A feature-rich command-line audio/video downloader

Command-line program to download videos from YouTube.com and other video sites

Curated coding interview preparation materials for busy software engineers

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

The agent engineering platform

The open source coding agent.

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

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

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

Empowering everyone to build reliable and efficient software.

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

A collection of various awesome lists for hackers, pentesters and security researchers

21 Lessons, Get Started Building with Generative AI