Best Self-Hosted Fillout Alternatives in 2026
Fillout is a form builder with native integrations for Airtable, Notion, and Supabase with scheduling and payments.
7 Self-Hosted Alternatives to Fillout
Formbricks
12KFormbricks offers privacy-first, customizable surveys, multi-channel feedback as a self-hosted surveys & polls.
HeyForm
8.6KOpen-source form builder for creating engaging conversational forms and surveys without coding
LimeSurvey
3.5KLimeSurvey gives you powerful tool for creating customizable online surveys, polls, and questionnaires on your own infrastructure.
OpnForm
3.2KOpnForm lets you run versatile form builder for collecting data entirely on your own server.
Router.so
367Router.so is a self-hosted CRM & sales tool that provides simplifies form management and lead capture.
Ikiform
337Self-hosted forms & surveys tool that builds beautiful, interactive forms.
Formizee
177Formizee gives you platform for designing, building, and analyzing forms, offering an affordable all-in-one solution on your own infrastructure.
Why Look for Fillout Alternatives?
Fillout is a form builder with native integrations for Airtable, Notion, and Supabase with scheduling and payments.
Pricing
Here’s what Fillout charges for its plans:
Free --- Custom pricing
- Price
- Unlimited forms
- Unlimited questions
- Multi-page forms
- Responses
- Seats
Starter --- Custom pricing
- Price
- Unlimited forms
- Unlimited questions
- Multi-page forms
- Responses
- Seats
Pro --- Custom pricing
- Price
- Unlimited forms
- Unlimited questions
- Multi-page forms
- Responses
- Seats
Business --- Custom pricing
- Price
- Unlimited forms
- Unlimited questions
- Multi-page forms
- Responses
- Seats
Self-hosted alternatives eliminate these recurring costs entirely. You pay only for your own infrastructure.
7 Best Open-Source Alternatives to Fillout
Formbricks
Formbricks is an open source, privacy-first experience management suite for gathering customer feedback. — 11,978 GitHub stars. Licensed under AGPL-3.0.
HeyForm
Open source form builder for conversational surveys, quizzes, and polls — 8,636 GitHub stars. Licensed under AGPL-3.0.
OpnForm
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools. — 3,212 GitHub stars. Licensed under AGPL-3.0.
LimeSurvey
Survey software with advanced features — 3,548 GitHub stars. Licensed under GPL-2.0.
Ikiform
Build beautiful, interactive forms with AI assistance. Open-source alternative to Google Forms with unlimited submissions, advanced analytics, and seamless integrations. — 337 GitHub stars. Licensed under MIT.
Router.so
Router.so simplifies form management and lead capture with custom endpoints, schema definition, and seamless integrations for marketing-focused developers. — 367 GitHub stars. Licensed under AGPL-3.0.
Formizee
Formizee is an open-source platform for designing, building, and analyzing forms, offering an affordable all-in-one solution — 177 GitHub stars. Licensed under Apache-2.0.
Why Self-Host Instead of Fillout?
- Data ownership. Your data stays on your server, not on Fillout’s infrastructure.
- Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- No vendor lock-in. Export and migrate your data anytime. You control the database.
- GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Why teams switch from Fillout
- → Data ownership. Your data stays on your server -- not on Fillout's infrastructure.
- → Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- → No vendor lock-in. Export and migrate your data anytime. You control the database.
- → GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Head-to-Head Comparisons
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