Master programming by recreating your favorite technologies from scratch.

A collective list of free APIs

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.

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

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

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

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

Display and control your Android device

《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

🦜🔗 Build context-aware reasoning applications

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

Deliver web apps with confidence 🚀

Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.

A Collection of application ideas which can be used to improve your coding skills.

The world’s fastest framework for building websites.

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

High performance self-hosted photo and video management solution.

An open-source AI agent that brings the power of Gemini directly into your terminal.

The iconic SVG, font, and CSS toolkit

A fancy self-hosted monitoring tool

real time face swap and one-click video deepfake with only a single image

A collection of MCP servers.

A list of useful payloads and bypass for Web Application Security and Pentest/CTF