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10 top picks · 1 audience ranking

Best open source survey and event tools

The best open source survey and event tool is Formbricks (AGPL-3.0, 13,176 GitHub stars, Docker image). Rallly stands out for the most commits in the last 12 months (1,711), and HeyForm stands out for the newest codebase (created March 2024).

This page also breaks the picks down by team size and use: Formbricks leads for startups and small business.

Updated · data from GitHub, refreshed daily

Top picks

  1. Rank 1:

    Formbricks

    formbricks/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.

    Active · last commit Oct 28, 2026

    Polls, Surveys & EventsTypeScriptDocker

    Stands out for the most GitHub stars. Formbricks has 13,176 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,615 commits in the last year; it replaces Typeform and Google Forms.

  2. Rank 2:

    Rallly

    lukevella/rallly

    Create polls to vote on dates and times (alternative to Doodle).

    Active · last commit Oct 28, 2026

    Booking & SchedulingTypeScriptDocker

    Stands out for the most commits in the last 12 months (1,711). Rallly has 5,329 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,711 commits in the last year.

  3. Rank 3:

    HeyForm

    heyform/heyform

    Form builder that allows anyone to create engaging conversational forms for surveys, questionnaires, quizzes, and polls.

    Active · last commit Oct 26, 2026

    Polls, Surveys & EventsTypeScriptDocker

    Stands out for the newest codebase (created March 2024). HeyForm has 9,055 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 202 commits in the last year; it replaces Typeform and Google Forms.

At a glance

Open source survey and event tools compared

Ranked on GitHub stars, commits in the last year, Docker images, open-source licenses and recent commits across the 22 apps in the polls, surveys & events category. Projects with fewer than 12 commits in the last 12 months rank below every more active project.

Top 10 picks compared, data as of Oct 28, 2026
AppStands out forLicenseGitHub starsCommits (12 mo)Last commitDocker image
Formbricksthe most GitHub starsAGPL-3.013,1761,615Oct 28, 2026Yes
Ralllythe most commits in the last 12 months (1,711)AGPL-3.05,3291,711Oct 28, 2026Yes
HeyFormthe newest codebase (created March 2024)AGPL-3.09,055202Oct 26, 2026Yes
Fiderits Go codebaseAGPL-3.04,590529Oct 28, 2026Yes
OpnFormits PHP codebaseAGPL-3.03,873338Oct 27, 2026Yes
LimeSurvey–GPL-2.03,7831,857Oct 28, 2026No
Bracket–AGPL-3.01,750467Oct 27, 2026Yes
indico–MIT2,121492Oct 27, 2026No
docassemble–MIT994275Oct 27, 2026Yes
pretalx–Apache-2.09531,552Oct 27, 2026No

1 of 2 · 10 picks

Top picks

10 of the 22 apps in the polls, surveys & events category.

  1. 1

    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.

    Stands out for the most GitHub stars. Formbricks has 13,176 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,615 commits in the last year; it replaces Typeform and Google Forms.

  2. 2

    Rallly

    Create polls to vote on dates and times (alternative to Doodle).

    Stands out for the most commits in the last 12 months (1,711). Rallly has 5,329 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,711 commits in the last year.

  3. 3

    HeyForm

    Form builder that allows anyone to create engaging conversational forms for surveys, questionnaires, quizzes, and polls.

    Stands out for the newest codebase (created March 2024). HeyForm has 9,055 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 202 commits in the last year; it replaces Typeform and Google Forms.

  4. 4

    Fider

    Open platform to collect and prioritize feedback (alternative to UserVoice).

    Stands out for its Go codebase. Fider has 4,590 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 529 commits in the last year.

  5. 5

    OpnForm

    Beautiful form builder.

    Stands out for its PHP codebase. OpnForm has 3,873 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 338 commits in the last year; it replaces Typeform and Google Forms.

  6. 6

    LimeSurvey

    Feature-rich web-based polling software. Supports extensive survey logic.

    LimeSurvey has 3,783 GitHub stars, uses the GPL-2.0 license and had 1,857 commits in the last year; it replaces Typeform and Google Forms.

  7. 7

    Bracket

    Flexible tournament system to build a tournament setup, add teams, schedule matches, keep track of scores and present ranking live to the public.

    Bracket has 1,750 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 467 commits in the last year.

  8. 8

    indico

    Feature-rich event management system, made @ CERN, the place where the Web was born.

    indico has 2,121 GitHub stars, uses the MIT license and had 492 commits in the last year; it replaces Eventbrite.

  9. 9

    docassemble

    System for guided interviews and document assembly, based on Python, YAML, and Markdown.

    docassemble has 994 GitHub stars, uses the MIT license, ships a Docker image and had 275 commits in the last year.

  10. 10

    pretalx

    Web-based event management, including running a Call for Papers, reviewing submissions, and scheduling talks. Exports and imports for various related tools.

    pretalx has 953 GitHub stars, uses the Apache-2.0 license and had 1,552 commits in the last year; it replaces Eventbrite.

2 of 2 · 5 picks

Which open source survey and event tool is best for startups and small business?

For startups and small business, Formbricks ranks first (AGPL-3.0, 13,176 GitHub stars), followed by Rallly and HeyForm. Ranked for startups and small business (the same order for each) on GitHub stars, commits in the last year, Docker images, open-source licenses, project websites, recent commits and deploy guides.

  1. 1

    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.

    Formbricks has 13,176 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,615 commits in the last year; it replaces Typeform and Google Forms. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  2. 2

    Rallly

    Create polls to vote on dates and times (alternative to Doodle).

    Rallly has 5,329 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,711 commits in the last year. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  3. 3

    HeyForm

    Form builder that allows anyone to create engaging conversational forms for surveys, questionnaires, quizzes, and polls.

    HeyForm has 9,055 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 202 commits in the last year; it replaces Typeform and Google Forms. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  4. 4

    Fider

    Open platform to collect and prioritize feedback (alternative to UserVoice).

    Fider has 4,590 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 529 commits in the last year. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  5. 5

    OpnForm

    Beautiful form builder.

    OpnForm has 3,873 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 338 commits in the last year; it replaces Typeform and Google Forms. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

FAQ

Questions and answers

Still curious? Email info@appsgit.com.

Is Formbricks free?

Yes. Formbricks is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I self-host these survey and event tools with Docker?

Yes, 7 of the 10 picks. Formbricks, Rallly and HeyForm publish Docker images, so you can run them on a VPS or home server with Docker Compose. The others install from their own packages or source; follow each project's install guide.

Are all of these survey and event tools open source?

All 10 apps on this list are open source. You can self-host and modify each one under its license.

Which of these survey and event tools is the most actively developed?

LimeSurvey, with 1,857 commits in the last 12 months. Activity is a good sign that bugs and security issues get fixed.

How is this list ranked?

Ranked on GitHub stars, commits in the last year, Docker images, open-source licenses and recent commits across the 22 apps in the polls, surveys & events category. Projects with fewer than 12 commits in the last 12 months rank below every more active project.

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