Well, we have to spend money and it's not a small project or maintained by one or two persons. Forums always consume a lot of time and depend upon active members.
You might heard about this one The Admin zone forums, which took lot of years in development.
Only in few countries ,
China its own search engine Baidu
Duckduck go is another popular in austria I think, not sure.
Bing is also popular in some countries. I too agree Google, but nowadays people are switching to another Search engines.