Keyword Discovery - Keyword Discovery is a keyword research and analysis tool.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
GrepWords - Grepwords is an API-first Google Keyword Suggestion Tool.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
SheerSEO - SheerSEO helps you to track Google Search Engine Rankings for critical keywords. PageRank, Back Links and more.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.