Initially named Revolt then renamed to Stoat due to a cease-and-desist. Both awful names. (Granted Discord is not a great name either). In their docs and website you'll still find a mix of the new and old names.

The project is ~4 years old. Screen sharing is still a work in progress. It's been a while since I tested it myself but you can still see plenty of reports of it being buggy and slow.

Basically it gives of major bike shedding impressions.