Simple Poll - The easiest way to create polls in Slack
Tally.so - The simplest way to create forms, for free.
Voatz - Online voting secured by the blockchain
Live Reacting - LiveReacting is a platform to launch interactive streams on Facebook, Youtube and Twitch.
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Skimm'Olympics - An exclusive, curated Olympics calendar from theSkimm