I’m trying [[beeper]] and early impressions are good: https://github.com/beeperCurrently using it on Linux and I can already connect to Telegram, WhatsApp, Signal, Google Chat with no obvious issues and good per-network support.
@sam@katanova in my experience they work quite well! the matrix is supposed to be well designed for building bridges; [[beeper]] for example is matrix plus a bunch of bridges that they host for the user