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Best open-source Forms & surveys

The best open-source form builder in the c17.io catalog is Formbricks (AGPL survey engine; ee/ modules are commercial). LimeSurvey is the classic GPL survey suite. HeyForm is another AGPL Typeform-shaped builder. Typebot covers conversational chat forms; its license is FSL-1.1-Apache-2.0, not OSI. OhMyForm is archived and is not ranked. The published combo is /stacks/formbricks-forms.

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Ranked picks

  1. 1

    Formbricks

    AGPL Qualtrics/Typeform-shaped surveys — the c17 Google Forms/SurveyMonkey stack.

    When to pick it: A public form and responses in your Postgres.

    13,113 stars in the catalog

  2. 2

    LimeSurvey

    GPL survey platform that has been the self-host default for years.

    When to pick it: Long questionnaires, quotas, and exports.

    3,767 stars in the catalog

  3. 3

    HeyForm

    AGPL open-source form builder you can self-host.

    When to pick it: A second Typeform-shaped builder if Formbricks is not the fit.

    9,031 stars in the catalog

  4. 4

    Typebot

    Self-hostable chatbot / conversational form builder. License is FSL-1.1-Apache-2.0, not OSI.

    When to pick it: A chat flow, not a classic survey.

    10,550 stars in the catalog

How they compare

ToolLicenseSelf-hostBest for
FormbricksGNU Affero General Public License v3.0EasyA public form and responses in your Postgres.
LimeSurveyGNU General Public License v2.0MediumLong questionnaires, quotas, and exports.
HeyFormGNU Affero General Public License v3.0EasyA second Typeform-shaped builder if Formbricks is not the fit.
TypebotFSL-1.1-Apache-2.0MediumA chat flow, not a classic survey.

Related pages

FAQ

Formbricks or LimeSurvey?
Formbricks if you want the modern Typeform motion (the published stack). LimeSurvey if the job is a long, classic questionnaire.
Why isn't OhMyForm listed?
The GitHub repo is archived. This ranking only names actively maintained catalog tools.
Are these free?
Formbricks, LimeSurvey, and HeyForm are OSI licenses as listed (Formbricks ee/ is commercial). Typebot is source-available FSL. You pay hosting. Template users never pay c17.
How do I deploy it?
Open /stacks/formbricks-forms. Postgres, bind HTTP to 0.0.0.0:$PORT, rebuild the one form that converts. Optional: dump answers into Baserow.

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