Competitors There are a few competitors out there that do something very similar (see https://ruttl.com/, https://usepastel.com/, https://bugherd.com/, https://www.markup.io/). This seems to suggest that there seems to be a general market for such a product. Source: about 1 year ago

Yes, we used Pastel https://usepastel.com and it was very nice overall. - Source: Hacker News / almost 2 years ago

$ apt-cache show tmate [...] Homepage: http://tmate.io/ Description-en: terminal multiplexer with instant terminal sharing tmate provides an instant pairing solution, allowing you to share a terminal with one or several teammates. Together with a voice call, it's almost like pairing in person. The terminal sharing works by using SSH connections to backend servers maintained by tmate upstream developers;... Source: about 1 year ago

See also the venerable tmate - https://tmate.io. - Source: Hacker News / about 1 year ago

Thanks for this. Related: https://tmate.io/. - Source: Hacker News / over 1 year ago

Https://tmate.io/ works for this scenario, even though it can create some issues with truecolor. Source: over 1 year ago

The multiplexing tool is Zellij and the ssh joining service is Tmate.io. Source: almost 2 years ago