A Streaming Data Platform Fully Compatible with the Kafka API. This project can be regarded as a rewrite of Kafka in C++, designed to be lighter, faster, and more cost-effective. It is simple to deploy and user-friendly, with no external dependencies such as JVM or ZooKeeper.

An Analytics Database Similar to SQLite. This project is a lightweight analytical database written in C++, which is compact in size, free from external dependencies, and does not operate as a separate process, akin to an analytical version of SQLite. DuckDB offers a rich SQL dialect, supporting features such as JOIN, aggregation, window functions, and direct querying of CSV and JSON files. Although it does not have a performance advantage in terms of scale, it is fully capable of handling data analysis at the billion-level scale, focusing on being small, light, and sufficient.

SELECT * FROM 'HelloGitHub.csv';
SELECT * FROM 'HelloGitHub.parquet';

一款免费、没广告的离线地图应用。适用于旅行者、游客、徒步旅行者和骑行者的 Android 和 iOS 离线地图应用，它使用 OpenStreetMap 数据，支持详细的离线地图、骑行路线、语音导航、等高线、海拔剖面、山峰和坡度等功能。

轻量级实时物理渲染引擎。能够用来做游戏渲染引擎或者音视频编辑工程，当你需要处理 3D 渲染效果，又不想引入庞大的游戏引擎时，可以考虑使用它尤其是 Android 平台

《大灾变：黑暗之日》是一款以世界末日为背景的生存游戏。游戏中没有任何任务，唯一的目标就是活下去。玩家可以通过寻找食物、装备等资源建造避难所，还支持车辆改装、制作物品等特色机制，支持 Windows、Linux、macOS、Android 系统。下载地址

Facebook 开源的 C++ 工具库。包含一系列高性能的 C++ 组件库，方便且高效在 Facebook 内部被广泛应用。该项目不仅代码规范测试用例充足，而且源码中包含丰富的注释。同样功能的函数为什么别人写的性能好还健壮，这次终于可以一探究竟了。

AtomicHashMap.h：高性能原子数据结构
Bits.h：处理各种位操作的工具
Conv.h：处理各种数据类型的转换
dynamic.h：动态类型的对象，可用来处理 json-> map
...

Free and Powerful PlayStation 2 Emulator. It can run popular games including Final Fantasy X and Devil May Cry 3, supports multiple languages including Chinese, and is compatible with Windows, Linux, and macOS systems.

Truly Independent Open Source Browser. The author of this project aims to build a completely independent open-source web browser from scratch, so he has separated the browser engine part from his own SerenityOS operating system, planning to create a completely new, cross-platform open-source browser based on this, which does not contain code from other browsers. Currently, no downloadable installation package is available, and the first Alpha version is planned to be released in the summer of 2026.

Google's Open Source C++ Basic Library. This is a widely used C++ public library within Google, providing a series of high-quality, reliable, and efficient basic modules, including string processing, concurrency, time, STL containers, testing, logging, and other practical functions.

Free and Open Source Desktop GIS Software. This project is written in C++ language, with the GUI part utilizing the Qt library. It offers functionalities for GIS data visualization, editing, and analysis, supports various GIS data formats, and is applicable to Windows, Linux, macOS, BSD, and mobile devices.