For me, Google video search, Google books (Internet Archive is good, but doesn’t always have the same stuff), Adobe InDesign (but in the process of learning LaTeX), and Typewise. As for the Google stuff, I liked Whoogle a lot, but almost all their instances seem to have been blocked or shut down. Also, apologies if this is repeating an earlier post.
At least here in Germany it is like that. if you got a new number or whatever you are 99,9% certain that number is on WhatsApp it’s inevitable its the main source for chatting for everyone. So if you’d want to switch platforms youd have to convince a lot of people and most would not be ready to do that since why bother when you can just use WhatsApp?