Rustpad：开源高效和最小的协作代码编辑器
Rustpad is an efficient and minimal open-source collaborative text editor based on the operational transformation algorithm. It lets users collaborate in real time while writing code in their browser. Rustpad is completely self-hosted and fits in a tiny Docker image, no database required.
https://github.com/ekzhang/rustpad
https://rustpad.io/
推荐。支持 Docker，支持 SQLite。占用内存资源非常小。
