It's not as if Google maps is the only game in town. Really the only thing I use it for over openstreetmaps is business hours and transit directions, but there

It's not as if Google maps is the only game in town. Really the only thing I use it for over openstreetmaps is business hours and transit directions, but there is no reason the later couldn't be done. I use osmand on my phone and have offline maps for everywhere I've been. Grabbing some gtfs files wouldn't be difficult. As for messenger, there will probably always be some "free" messaging service out there. Free in quotes as it'll come with phone, isp, or email subscriptions.