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!
Loomio - Loomio helps groups of people make decisions together, online.
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.
DemocracyOS - DemocracyOS is an open source application for online decision making.
LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys
Airesis - A decision making tool for direct democracy and e-government: participate in discussions, bring your ideas, suggest solutions and vote online