微人事是一个前后端分离的人力资源管理系统，项目采用SpringBoot+Vue开发。

Telegram for Android source

Apache Flink

a fast, scalable, multi-language and extensible build system

Graphs for Everyone

Apache Doris is an easy-to-use, high performance and unified analytics database.

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance …

有完整版的PDF下载。

Apache Amoro (incubating) is a Lakehouse management system built on open data lake formats.