One of the most underrated apps released in the last few years...A lot of businesses run a lot of automation through Zapier and its even better now with the recent addition of AI.
Can be buggy at times. There are alternatives to it like Make for example, which allows you to do much more. But it also requires more tech knowledge.
Zapier is very user friendly, you don't have to be tech-savvy to automate your routine with it.