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.