Forms and surveys

Fillout alternatives

2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

LimeSurvey/LimeSurvey3,687licence unclearA full-featured web survey and form platform with hosting, analytics, export, and deployment options.Open on GitHub heyform/heyform8,920AGPL-3.0Open-source web form builder offering form creation, publishing, and response collection with a user UI.Open on GitHub

What you give up either way

SOC II Type II compliance and associated audit artifacts
50+ native integrations and prebuilt connectors
Enterprise features (SSO, audit logs, dedicated support, SLA)
Advanced analytics, conversion kit and high-volume scaling
Polished UI/UX and marketplace trust

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Fillout, and it does not prove anyone has run it for a month. How we decide.