Product Hunt Reviews Widget - Embed and encourage PH reviews into your product
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.
Product Reviews - Concise and unbiased software product reviews
Keyword Surfer - Get search volumes & keyword data directly in Google.
ReviewFlowz - Never miss a review again All your reviews, straight to your favourite slack channel.
Keyword Explorer by Moz - Find the best keywords to improve your website's SEO traffic