Keyword Research Sources for Software

I am testing a new tool for a Keyword Research. What sources is necessary add to software?

Right now it supports:

• Google Adwords
• Webmaster Bing
• Yandex.Direct
• Search Suggestions: Google, Bing, Yahoo, Yandex
• Google Analytics & Yandex Metrica.

I need your advice. Thx.




Here is the results looks like:

 

Thank you very much for this good post! i think it is a good way in this task!