Simple Poll - The easiest way to create polls in Slack
Blissy - Easily collect, combine and share group video gifts
Twitter Polls - Polls embedded in tweets
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Polls for WhatsApp - Create & share quick polls in your WhatsApp groups
Polls API - Scalable, efficient API to build polls, quizzes, ratings and many more