Open Source realtime backend in 1 file

Telegram for Android source

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles

A distributed, fast open-source graph database featuring horizontal scalability and high availability

macOS command-line utility to limit max battery charge

Menubar Tool to set Charge Limits and Prolong Battery Lifespan

Design patterns implemented in Java

A collective list of free APIs

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

A curated awesome list of lists of interview questions. Feel free to contribute! 🎓

whiteboard / infinite canvas SDK

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Windows system utilities to maximize productivity

计算机自学指南

21 Lessons, Get Started Building with Generative AI 🔗 https://microsoft.github.io/generative-ai-for-beginners/

Master programming by recreating your favorite technologies from scratch.

Curated list of project-based tutorials

Enable macOS HiDPI and have a native setting.

📚 Freely available programming books

Papers from the computer science community to read and discuss.

A GPT-4 AI Tutor Prompt for customizable personalized learning experiences.

12 Weeks, 24 Lessons, AI for All!

JDK main-line development https://openjdk.org/projects/jdk

互联网首份程序员考公指南，由3位已经进入体制内的前大厂程序员联合献上。

Asciidoc Editor and Toolchain written with JavaFX 21 (Build PDF, Epub, Mobi and HTML books, documents and slides)

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

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

All Algorithms implemented in Python

Reverse engineered ChatGPT API