TNTcraftHIM / Piik

Free, open-source screen sharing for private live streams with friends. Watch together in a browser or self-host Piik. 免费开源的私密屏幕共享，支持游戏直播、一起看电影与自部署。

Sharkord / sharkord

Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing. Built for small groups who want privacy, simplicity, and full control over their data.