KeywordTool.io - KeywordTool.io is the best FREE alternative to Google Keyword Planner and Ubersuggest. It uses Google's autocomplete feature to get over 750+ long-tail keywords for any given query.
Muck Rack - Muck Rack is a public relations and communications software built for the digital, traditional and social media world.
Google Trends - Explore Google trending search topics with Google Trends.
Meltwater - Media monitoring, social media monitoring & media Intelligence products & tools help companies grow and build brands by listening, understanding, engaging and benchmarking their customers, markets and social business communities.
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition
iPR Software - iPR Software offers PR online newsroom, social media integration, marketing portal, media tracking, and media database management solutions.