Doodle, Google Forms, SurveyMonkey, GetInput, Loomio, FindTime, Framadate, Smart Scheduling, SmartSurvey, Pairwise Comparison, Woobox, Xoyondo, ADoodle, Appointy, SurveyLab, PollMaker, tricider, Poll For All, Typeform Poll Maker, ZingPoll are some alternatives to PollUnit.