Revive - A free tool to find content decay and help win back traffic
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.
Traffic1M - Free lessons from the pros who’ve built massive websites
Google Trends - Explore Google trending search topics with Google Trends.
Stencil - Stencil is a the fastest and simplest way to design images and graphics for digital marketing.
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition