Where did the Microsoft Tech Stack disappear?

Did you hear about stackshare? It’s a pretty neat website that I recently discovered. The idea is that you can search for any tech company, and see their technology stack. For example, here is Airbnb’s: So the first interesting thing that came to mind was checking out what the most successful startups are using. I used this list of “successful startups”, in addition to angel.co startup database. After looking at about 100 startups, I ended up with data from 23.