Free / Open-sourceOpen-source form builder with AI assistance and unlimited responses

12 alternatives to Onform, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|
| ● | Onform | onform.work | 999 | 999 (0%) | Freemium | Vietnam | 4.4 | Profile |
| 1 | OpnForm | opnform.com | 76.22K | 47.89K (+169%) | Freemium, Free Trial | United States | 4.5 | Compare |
| 2 | FormHug | formhug.ai | 92.12K | -4.65K (-4.8%) | Freemium, Free | United States | 4.3 | Compare |
| 3 | Buildform | buildform.ai | 10.15K | 1.1K (+12.1%) | Freemium, Paid | United States | 4.1 | Compare |
| 4 | Fillout | fillout.com | 3.92M | -423.16K (-9.7%) | Freemium | United States | 4.4 | Compare |
| 5 | Makeform | makeform.ai | 160.69K | -19.55K (-10.8%) | Freemium | United States | 4.2 | Compare |
| 6 | forms.app | forms.app | 987.16K | -124.04K (-11.2%) | Freemium, Paid | Brazil | 4.2 | Compare |
| 7 | Nuraform | nuraform.com | 671 | -548 (-45%) | Freemium | Global | 4.1 | Compare |
| 8 | Formless by Typeform | formless.ai | 24.57K | 15.42K (+168.6%) | Freemium | Nigeria | 4.5 | Compare |
| 9 | Deformity | deformity.ai | 4.85K | -2.96K (-37.9%) | Freemium, Paid | United States | 4 | Compare |
| 10 | BlockSurvey | blocksurvey.io | 302.48K | -52.92K (-14.9%) | Freemium, Paid | United States | 4.2 | Compare |
| 11 | Nexform | nexform.io | 661 | -1.25K (-65.5%) | Paid, Free | Global | 3.9 | Compare |
| 12 | Grasshopper Signup | grasshoppersignup.com | 163.06K | 75.43K (+86.1%) | Free | United States | 4.1 | Compare |
Free / Open-sourceOpen-source form builder with AI assistance and unlimited responses

Free AI form builder for humans and AI agents

AI form builder that turns plain-language prompts into high-converting conversational forms
Build powerful forms, surveys and quizzes with AI in minutes

Build forms, surveys and quizzes in seconds — with unlimited free responses

Describe a form, get a beautiful AI-built form in seconds

Conversational AI forms that ask and answer questions
Conversational AI form builder that asks follow-up questions
Privacy-first AI surveys with end-to-end encrypted responses
Privacy-first AI surveys with end-to-end encrypted responses

Describe a form in plain English and let AI build it for you

Ad-free, AI-powered signup forms for events, volunteers, and groups
Ad-free, AI-powered signup forms for events, volunteers, and groups