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.
Sity - Share what you've done with your team and give feedback
SurveyJS - Feature rich and open source surveys for embedding into websites.
Brevy (beta) - Give feedback, Google-doc style, directly on your website
Votee - Easy, reliable, and cost effective market research
tada.team - Communicate as usual and create tasks from the messages