Form.io
Build Forms, APIs, and Agentic Workflows with One Self-Hosted Enterprise Application Comp
Form.io is a self-hosted enterprise application composition platform that uses JSON schemas to define forms, the data model, generated REST APIs, and submission governance in one place. It addresses the problem of teams maintaining separate form tools, data models, permission schemes, and integration paths across applications, including legacy systems and AI-assisted builds.
Core capabilities include a drag-and-drop form builder, auto-generated APIs, an open-source JavaScript form renderer, PDF forms and a PDF server, e-signatures, multi-tenancy, offline mode, conditional logic, multi-page wizards, form revisions, file uploads, webhooks, and integrations with databases, microservices, SAML, OAuth, and custom JWT authentication. AI tooling includes an MCP Server, agent Skills, a Claude Code plugin, and the Universal Agent Gateway (UAG) for governed agentic workflows. The platform can be deployed on-premise or in the cloud, with a Developer Portal, Form & API Builder, and Form Renderer included, and PDF Plus Server available as an optional module.
Form.io is aimed at developers, enterprise teams, and organizations building form-driven applications that require control over data, branding, deployment, and governance. Pricing is configuration-based rather than per form, per submission, or per end user, and a 30-day free trial is available.
12 alternatives to Form.io
Ranked by how well each tool replaces Form.io: shared features, audience, price and popularity.
Forms and surveys that feel like a conversation.
Covers 0 of 15 key features and starts cheaper.
Free plan71 out of 100 match$28/moNo-code drag-and-drop form builder for secure online forms, surveys, registrations, orders
Covers 0 of 15 key features and starts cheaper.
Free plan69 out of 100 match$18.50/moSecure web forms and digital process automation with validated data flows into Salesforce
Covers 0 of 15 key features.
69 out of 100 matchContact salesOnline form builder for surveys, applications, registrations, payments and data collection
Covers 0 of 15 key features and starts cheaper.
Free plan67 out of 100 match$25/moOnline form builder with workflow automation
Covers 0 of 15 key features and starts cheaper.
Free plan66 out of 100 match$24/moOnline form builder for teams with unlimited responses and members on the free plan
Covers 0 of 15 key features and starts cheaper.
Free plan66 out of 100 match$19/moReliable online form builder with AI-powered form generation, conditional logic, payments,
Covers 0 of 15 key features and starts cheaper.
Free plan66 out of 100 match$13/moForm-building platform for web forms, surveys, and quizzes with custom branding.
Covers 0 of 15 key features and starts cheaper.
Free plan65 out of 100 match$15/moOnline form builder for creating custom forms without writing code.
Covers 0 of 15 key features and starts cheaper.
Free plan65 out of 100 match$16.25/moEnterprise operations intelligence and workflow platform combining forms, portals, PDFs, e
Covers 0 of 15 key features and starts cheaper.
Free plan65 out of 100 match$19/moOnline form builder with thousands of ready-made templates.
Covers 0 of 15 key features and starts cheaper.
Free plan64 out of 100 match$39/mo