Keyword Research pro is a keyword research tool with the following features:- 6 different sources of keywords adding up to billions of keywords. Google, Wordtracker, KeywordDiscovery, 7search, Ask.com and Miva.- Multi-language support allows you get keywords in 41 specific languages.- One click niche brainstorming to generate ideas.- LSI keyword suggestions based on Google search and Google sets.- Gets search engine competition data, monthly search counts, pay-per click ads and CPC, calculates KEI (keyword effectiveness index) and R/S Ratio (Results to Searches ratio), and more.- Quick filtering system allows you to filter out your entire list in seconds by using a custom filtering criteria.