Baremetrics for Slack - Subscription analytics, insights & notifications in Slack
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
Mode for Slack - Share dashboards and analysis with your team on Slack
Curious Polls - Answer a question once a day for the chance to win £100/$100