Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
GitHub Polls - Polls for GitHub issues and readme
UXPin + Slack - Keep tabs on design projects in Slack
Polls for WhatsApp - Create & share quick polls in your WhatsApp groups
WebGazer - Monitor your website's availability with WebGazer, review its performance and get instant notifications when your website goes down. No installation required and free plan available.
Twitter Polls - Polls embedded in tweets