Best Open Source Form Builders in 2026

Typeform costs $25/month for basic. SurveyMonkey starts at $25/month. Here are the best open source form builders and survey tools you can self-host.

Quick Comparison

Tool	Best For	License	Stars	Self-Host
Formbricks	In-app surveys	AGPL-3.0	8K+	Docker
Typebot	Conversational forms	AGPL-3.0	7K+	Docker
Heyform	Form builder	AGPL-3.0	7K+	Docker
OhMyForm	Simple forms	MIT	2.8K+	Docker
LimeSurvey	Research surveys	GPL-2.0	2.7K+	Docker

Detailed Breakdown

Formbricks — Best In-App Surveys

Replaces: Typeform (for in-app), Hotjar surveys

• In-app survey widget (trigger-based)
• NPS, CES, CSAT templates
• User targeting and segmentation
• Event-based triggers (page visit, click, scroll)
• No-code survey builder
• Response analytics
• Webhooks and integrations
• Unlimited responses (self-hosted)

Best for: Product teams collecting in-app feedback, NPS, and user research.

Typebot — Best Conversational

Replaces: Typeform, Landbot

• Visual drag-and-drop flow builder
• Conversational chatbot-style forms
• Logic branching and conditions
• Embed anywhere (popup, bubble, full page)
• Integrations (Google Sheets, Zapier, webhooks)
• Custom themes and branding
• Analytics and completion rates

Best for: Marketing teams building conversational lead capture forms.

Heyform — Best Traditional Form Builder

Replaces: Typeform, Google Forms

• Drag-and-drop form builder
• Multiple question types
• Conditional logic
• Custom themes
• File uploads
• Team workspaces
• Analytics dashboard
• Webhook integrations

Best for: Teams who want a Typeform-like form builder without the per-response limits.

LimeSurvey — Best for Research

Replaces: SurveyMonkey, Qualtrics

• 30+ question types
• Advanced survey logic
• Multi-language support
• Statistical analysis
• Export to SPSS, R, Excel
• Quota management
• Panel integration
• 20+ years of development

Best for: Academic research, market research, and complex survey methodologies.

Choosing the Right Tool

Need	Choose
In-app surveys/NPS	Formbricks
Conversational forms	Typebot
Traditional form builder	Heyform
Academic research	LimeSurvey
Simplest option	OhMyForm

Cost Savings

Tool	SaaS Cost	Self-Hosted	Annual Savings
Typeform Basic	$300/year	$54/year (VPS)	$246
SurveyMonkey Team	$900/year	$54/year (LimeSurvey)	$846

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Compare all form and survey tools on OSSAlt — question types, integrations, and pricing side by side.