Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Twitter Polls - Polls embedded in tweets
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Astral - A social network for augmented reality 📍
Google Forms - Simple web forms from Google.
Octotree - Github on steroids