Responster - The feedback tool that makes customers swoon and competitors bawl their eyes out.
Peakon - Take the guesswork out of managing a great team. Peakon is the simple, scientific, and strategic way to maximise your employee engagement, retention, and culture.
Google Forms - Simple web forms from Google.
LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys
Priocta - A simple tool to make organizational change really happen
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.