Soovle - Soovle is a customizable search engine provides the search suggestion of the best provider on the net.
avaamo - Simple, Secure Business Messaging
Google Trends - Explore Google trending search topics with Google Trends.
SupportKit - Embed Zendesk support into your iOS app with 1 line of code
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.
Fleep for Business - Simple, open collaboration and chat with admin capabilities