Can I open-source Fillout?
YES · mature open-source replacementYes. Formbricks (11k stars), HeyForm (8k stars), Baserow (5k stars) are mature open-source replacements for Fillout — self-host in one command and stop paying $19/mo.
People still pay for Fillout because a basic form is trivial; people pay when the form feeds a dependable business workflow and never loses a response. The recurring cost buys spam control, email delivery, storage, exports, accessibility, conditional logic, and integrations, not just the visible interface.
xexcellent Airtable and Notion integrations, scheduling, payments, and hosted polish
xadvanced branching
xpayment and CRM integrations
xlarge template libraries
xenterprise compliance
These projects already replace it, free.
BBaserowAirtable's database half with public forms and your own disk underneathopen source↗FFormbricksOpen-source surveys and experience management for in-app, website, and link-based formsopen source↗HHeyFormModern Typeform-style one-question-at-a-time forms with a clean builder. Docker compose up and go.open source↗What each one is, in full: Baserow · Formbricks · HeyForm
all 3 open-source alternatives to Fillout →· no votes, no pay-to-list · just what's real
Fillout pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/workspace | $0/workspace | Unlimited forms, seats, questions and file uploads; 1,000 responses/month; 20MB maximum file size; Fillout branding |
| starter | $19/workspace | $15/workspace | 2,000 responses/month and 20MB maximum file size; unlimited forms, seats, questions and uploads |
| pro | $49/workspace | $40/workspace | 5,000 responses/month; unlimited forms and seats |
| business | $89/workspace | $75/workspace | Unlimited responses, at least 1GB maximum file size, custom domain, unlimited forms and seats |
| enterprise | custom | — | 1 million+ database records, unlimited workflow runs, unlimited forms, seats and responses |
free tierUnlimited forms, seats, questions and file uploads; 1,000 responses/month; 20MB maximum file size; Fillout branding
billingmonthly + annual prepaid (-20%)
hidden costsFillout says responses continue to be collected after the monthly cap, but the account must upgrade, buy unpublished bulk-submission capacity or wait for reset to use them; Conversion Kit is a separately sold add-on with no public rate.
verified 2026-08-12 · source ↗
Can I open-source Fillout?
Yes. Baserow replaces Fillout today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Fillout cost?
Fillout costs about $19/month (Starter, checked 2026-07-31), which is $228 per year. That's what you save by replacing it with open source.
What do I lose by replacing Fillout?
Honestly: excellent Airtable and Notion integrations, scheduling, payments, and hosted polish; advanced branching; payment and CRM integrations; large template libraries; enterprise compliance. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Fillout?
Yes: Baserow (Airtable's database half with public forms and your own disk underneath) Formbricks (Open-source surveys and experience management for in-app, website, and link-based forms) HeyForm (Modern Typeform-style one-question-at-a-time forms with a clean builder. Docker compose up and go.) All 3 curated open-source alternatives are at caniopensourceit.online/fillout/alternatives.