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.
Invision Community - Invision Community is a flexible, integrated set of apps for building communities on the web.
Google Forms - Simple web forms from Google.
XenForo - Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.
Qualtrics - Qualtrics is the most trusted research platform, helping brands make crucial business decisions. From surveys to insights to action.
NationBuilder - The world's first platform for leaders, handcrafted from scratch to help you grow your community and lead them to action.