Formbricks Experience Management Suite built on the largest open source survey stack worldwide. Gracefully gather feedback at every step of the customer journey to know what your customers need. Self-hostedOpen sourcePolls and Events 13,171AGPL-3.0Nodejsupdated Oct 2026
HeyForm Form builder that allows anyone to create engaging conversational forms for surveys, questionnaires, quizzes, and polls. Self-hostedOpen sourcePolls and Events 9,054AGPL-3.0Dockerupdated Oct 2026
Rallly Create polls to vote on dates and times (alternative to Doodle). Self-hostedOpen sourceBooking and SchedulingPolls and Events 5,328AGPL-3.0Nodejsupdated Oct 2026
Fider Open platform to collect and prioritize feedback (alternative to UserVoice). Self-hostedOpen sourcePolls and Events 4,590MITDockerupdated Oct 2026
OpnForm Beautiful form builder. Self-hostedOpen sourcePolls and Events 3,873AGPL-3.0PHPupdated Oct 2026
LimeSurvey Feature-rich web-based polling software. Supports extensive survey logic. Self-hostedOpen sourcePolls and Events 3,782GPL-2.0PHPupdated Oct 2026
Bracket Flexible tournament system to build a tournament setup, add teams, schedule matches, keep track of scores and present ranking live to the public. Self-hostedOpen sourcePolls and Events 1,750AGPL-3.0Nodejsupdated Oct 2026
docassemble System for guided interviews and document assembly, based on Python, YAML, and Markdown. Self-hostedOpen sourcePolls and Events 994MITPythonupdated Oct 2026
C Claper The ultimate tool to interact with your audience (alternative to Slido, AhaSlides and Mentimeter). Self-hostedOpen sourcePolls and Events 819GPL-3.0Elixirupdated Oct 2026
H hitobito Manage complex group hierarchies with members, events and a lot more. Self-hostedOpen sourcePolls and Events 484AGPL-3.0Rubyupdated Oct 2026
gathio Self-destructing, shareable, no-registration event pages. Self-hostedOpen sourcePolls and Events 467GPL-3.0Nodejsupdated Sept 2026
C ClearFlask Community-feedback tool for managing incoming feedback and prioritizing a public roadmap (alternative to Canny, UserVoice, Upvoty). Self-hostedOpen sourcePolls and Events 450AGPL-3.0Dockerupdated Oct 2026
Christmas Community Create a simple place for your entire family to use to find gifts that people want, and to avoid double-gifting. Self-hostedOpen sourcePolls and Events 423AGPL-3.0Nodejsupdated Oct 2026
B Bitpoll Conduct polls about dates, times or general questions. Self-hostedOpen sourcePolls and Events 318GPL-3.0Pythonupdated Sept 2026
Revel Community-focused event management and ticketing platform. Self-hostedOpen sourcePolls and Events 117MITPythonupdated Oct 2026
E EventSchedule Share events, sell tickets, and bring communities together. Self-hostedOpen sourcePolls and Events 91AALPHPupdated Oct 2026
D Digistorm Create collaborative surveys, quizzes, brainstorms, and word clouds (documentation in French). Self-hostedOpen sourceGroupwarePolls and Events AGPL-3.0Nodejs
Framadate Online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision. Self-hostedOpen sourcePolls and Events CECILL-BPHP
G Gancio Local community event and agenda sharing. Self-hostedOpen sourcePolls and Events AGPL-3.0Nodejs
Mobilizon Federated tool that helps you find, create and organise events and groups. Self-hostedOpen sourcePolls and Events AGPL-3.0Elixir