I use Rio, Acme, and occasionally Sam from plan9port [1]. The only major problems are X.org dependency, lack of mouse warping in XWayland (essential for Acme),

I use Rio, Acme, and occasionally Sam from plan9port [1]. The only major problems are X.org dependency, lack of mouse warping in XWayland (essential for Acme), and slow text rendering on Raspberry Pi 5. [1]: https://9fans.github.io/plan9port/ https://9fans.github.io/plan9port/