Twitter Polls - Polls embedded in tweets
Statsbot - Connect your database, let Statsbot generate data relationships from your database automatically, and get your first insights in a matter of minutes.
Simple Poll - The easiest way to create polls in Slack
Google Analytics by SumoMe - The easiest way to see your Google Analytics
Curious Polls - Answer a question once a day for the chance to win £100/$100
Datadeck - Spreadsheets visualized In two clicks