Quick orientation: where does FormEngine fit?
| Library | Approach | JSON-driven? | Visual builder? | License | Status |
|---|---|---|---|---|---|
| FormEngine | JSON schema → React form | Yes | Yes (Designer) | MIT (Core) | Active |
| React Hook Form | Hooks + JSX per field | No | No | MIT | Active |
| Formik | HOC/hooks + JSX per field | No | No | Apache 2.0 | Stalled since 2023 |
| TanStack Form | Headless hooks, TypeScript-first | No | No | MIT | Active |
| RJSF | JSON Schema → auto-form | Yes (JSON Schema standard) | No | Apache 2.0 | Active |
| SurveyJS | Own schema → survey/form | Yes (own format) | Yes (Creator) | MIT (renderer) | Active |
| form.io | Platform + JSON renderer | Yes | Yes (hosted) | Commercial | Active |
| JSON Forms | JSON Schema + UI Schema | Yes (JSON Schema standard) | No | MIT | Active |
Every comparison page below includes detailed feature tables, bundle sizes, code examples, and a clear recommendation for when to use FormEngine vs the alternative.
Comparison pages
React Hook Form
Code-first hooks vs JSON runtime — architecture trade-offs.
Formik
Maintenance status, architecture diff, migration path.
React Final Form
Maintenance reality, architecture diff, migration considerations.
TanStack Form
Headless TypeScript-first vs JSON-driven runtime.
RJSF
JSON Schema compliance vs FormEngine UI schema.
SurveyJS
Survey platform vs app-form library, bundle size benchmarks.
form.io
Platform vs library: when you need a backend and when you don’t.
Uniforms
Schema-adapter auto-form vs explicit UI schema.
Formily
Alibaba enterprise reactive core vs FormEngine simplicity.
Ant Design Form
antd component forms vs JSON-driven runtime with antd adapter.
React Schema Form
Older schema-form libraries in maintenance mode — what to migrate to.
Best libraries 2026
Full landscape: 9 libraries, trade-offs, decision guide.