Molly is not blocked by Signal? I read a while ago they were closing down on third party clients like that. Going to give that a go.
Fennec I might give a try as well, since the Firefox version out or Aurora is far from ideal, still better than the baked in browser, that is just a useless app.
I wish I could get back into (professional) universe without Teams as well, every time I use it I feel the life being sucked out of me.