Have tried the following:
1) Niche Inspector
2) Keyword elite
3) ClickAd Equalizer
4) Keyword Analyzer
5) WordTracker Free Version
Much prefer the Free Keyword Tool From Google.
https://adwords.google.com/select/KeywordToolExternal
I think Tracking is a powerful keyword tool. It allows you to find
keywords keyed in by live prospets that no keyword tool can provide you.
Few in the market are
-Affiliate Radar
-Landing Page System
-Covert Conversion Pro
-Speed PPC
-Adtrackz