SlideLizard - Powerpoint plug-in for live audience interaction
Polls for WhatsApp - Create & share quick polls in your WhatsApp groups
Pingo - Optimize images for the web quickly 🖼️⚡
GitHub Polls - Polls for GitHub issues and readme
Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.
Twitter Polls - Polls embedded in tweets