Simple Poll - The easiest way to create polls in Slack
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Abot for Slack - Trusted by over 1000 Slack teams ✅. Abot is a simple and highly configurable app for anonymous feedback messages and more. If you want to create a poll on Slack or use it as an anonymous suggestion box you just need to type a simple command.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Twitter Polls - Polls embedded in tweets
Plivo - Plivo simplifies your customer engagement.