Simple Poll - The easiest way to create polls in Slack
Sitecore - Sitecore A/S has produced the Sitecore content management system since 1999.
GitHub Polls - Polls for GitHub issues and readme
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.
Curious Polls - Answer a question once a day for the chance to win £100/$100
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.