Slack Surveys by Standuply - A simple, powerful bot for recurring surveys on Slack 📝
Ferendum - Ferendum is one of the top-notch utilities that has been making it easy for you to create polls that can be shared with everyone with people to get views and suggestions with real-time support.
BlockSurvey - Privacy-focused surveys, polls & forms
PollUnit - Create and customize public or anonymous votings, surveys, free tables, idea collections or audio, video and photo contests.
Boolean - Send single question yes/no surveys
PollMaker - We Make Publishing Real Simple