[foxbee]

When I seen the title, I thought, 'a search engine that allows me to search for communities that fit an inputted search criteria, cool!' Sadly, it doesn't seem to be the case and it is more of a tool for searching alternatives to popular software.

[D2man]

Indeed, this is not the problem we are answering, but your first though seems a great idea.

[foxbee]

It really is a good idea