Bing found the following results
Free Keyword Research Tool from Wordtracker
Free Keyword Tool | WordStream
Free Keyword Research Tool - Moz
Keyword Tracking Tools (To Suit All Budgets) - Ahrefs
Free Keyword Rank Checker Tool - Ahrefs
FREE Keyword Rank Checker (See Your Google Rankings)
Search | Wordtracker
How To Use The Wordtracker Keyword Tool : Wordtracker
Rank Tracker by Ahrefs: Check & Track Keyword Rankings
Moz Rank Checker: SEO Keyword Rank Tracker Tool - Moz