Open source alternative to Auth0 / Firebase Auth / AWS Cognito

业内为数不多致力于极致体验的超强全自研跨平台(windows/linux/android/iOS)流媒体内核，通过模块化自由组合，支持实时RTMP推流、RTSP推流、RTMP播放器、RTSP播放器、录像、多路流媒体转发、音视频导播、动态视频合成、音频混音、直播互动、内置轻量级RTSP服务等，比快更快，业界真正靠谱的超低延迟直播SDK(延迟低至100~200ms)。

Alluxio, data orchestration for analytics and machine learning in the cloud

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

Apache Celeborn is an elastic and high-performance service for shuffle and spilled data.

Uniffle is a high performance, general purpose Remote Shuffle Service.