Twitter Polls - Polls embedded in tweets
Donut Watercooler - Spark serendipitous conversations that recreate the office watercooler, right in Slack.
Polls for WhatsApp - Create & share quick polls in your WhatsApp groups
Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
GitHub Polls - Polls for GitHub issues and readme
Watercoolr - Your always on drop-in virtual coworking space