Any alternatives to Google Trends?

Question

I'm writing a small helper utility for obscure software that is used at a local shop. Basically, I would like to know if anyone searches for anything associated with that software and if publishing my work on the Internet would make any sense. I entered the name of the software into Google Trends, but my terms "do not have enough search volume to show graphs" despite the fact that Google lists 250,000 results for the software name, or 35,000 if I explicitly remove terms such as serial and warez from the search.

Does anyone know of alternatives to Google Trends? Or of another way to find out if people search for a particular keyword?

Answer 1

If you don't get an answer here, another place to ask might be The Business of Software.

Answer 2

I found what I was looking for. Google AdWords Keyword Tool