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.
Google Maps. It sucks, and stores randomly pop in and out while you’re trying to zoom in past the McDonalds ad that’s showing despite you searching “shoe store”, but it has so much more info than the competitors that they don’t compare.