• Remote pair programming
• Access remote computers behind NATs and firewalls
• Remote debugging

Upterm is written in Go and is open-sourced at https://github.com/jingweno/upterm.

Additional links:

• https://owenou.com/upterm/
• https://github.com/jingweno/upterm#how-it-works
• Dockerfile https://github.com/jingweno/upterm/blob/master/Dockerfile.uptermd

Could be quite easy to package and might take a stab at it myself. the only downside is that on cloudron you always need a kind of webinterface (you always need to expose and healthcheck a http port to the tcp port that seems to be needed here).