Service - Customer service issues solved for you, on demand, for free.
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.
Listly Chrome Extension - Convert webpages into Excel data in seconds
Google Trends - Explore Google trending search topics with Google Trends.
BucketListly - The most beautiful & advanced bucket list you will ever have
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition