Insight Timer - Support your meditation practice through a massive community powered app.
Google Trends - Explore Google trending search topics with Google Trends.
Meditation Assistant - Feature packed meditation session timer and recorder
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.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition