Mitosis
Mitosis: An open-source JSX component compiler for generating code across frameworks. Ranked #16 of 28 in Code Transpilers by our editors (7.5/10); pricing: Free plan; best for teams generating components for multiple frameworks.
At a glance
- Editor score7.5 / 10
- PricingFree plan
- Best forTeams generating components for multiple frameworks
- Free planYes
- Paid fromFree
- Intermediate outputYes
- Conversion modeBoth
- Facts checked22 Sep 2026
Where it wins
- Generates framework-specific output from JSX-based components
- Configurable generators and a JSON intermediate representation
- Includes a CLI, scaffolding, playground, and Fusion workflow
Where it doesn't
- Focused on UI components rather than general-purpose transpilation
- Requires developers to work with its JSX-based format and generators
- Support is centered on community resources and documentation
Our verdict on Mitosis
Mitosis is an open-source component compiler for developers who want to author UI components in a JSX-based format and generate code for multiple frameworks and platforms. Its documented targets include React, Vue, Angular, Svelte, Qwik, Solid, React Native, Lit, Stencil, Swift, Liquid, Preact, and Marko. That breadth makes it relevant to teams maintaining component work across different front-end ecosystems, while its focus remains component generation rather than general-purpose code transpilation.
The compiler uses a Mitosis JSON intermediate representation and configurable target generators, with framework-specific output options. Developers can use its CLI build and compile commands, or start a project with npm create. A playground supports experimenting with components. These features give teams several ways to work with the compiler, but they also mean Mitosis is best suited to workflows where developers can adopt its component format and configure or select the required outputs. Teams looking for a broader source-language conversion tool should consider a different category of product.
Mitosis connects with Figma through Builder.io’s Fusion workflow, which converts designs into Mitosis code. That makes it a fit for teams wanting a path from design work into generated components, though the workflow is specifically tied to Mitosis rather than serving as a general design-to-code solution. The project is open source, supports self-hosted use, and offers community and documentation support. Choose Mitosis when multi-framework component output and its JSON-based compiler workflow match your development process; it is a less natural choice if you need a hosted paid service, broader transpilation scope, or a different support model.
Your product? Our editors can test Mitosis in depth and publish a review, labelled as paid · from $149/mo →
Mitosis pricing
Mitosis fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Source languages | Not verified |
| Target languages | Not verified |
| Syntax-version conversion | No |
| Intermediate output | Yes |
| CLI access | Yes |
| API access | Not verified |
| Conversion mode | Both |
| Deployment | Self-hosted |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: Figma, Builder.io Fusion |
| Pricing | Free plan |
| Website | mitosis.builder.io |
| Facts checked | 22 Sep 2026 |
Mitosis integrations
Mitosis lists 2 integrations on its own site.
- Figma
- Builder.io Fusion
Alternatives to Mitosis
- BabelFlexible ECMAScript transforms with CLI, Node.js APIs, and browser compilation.9.3
- SWCAn open-source compiler with minification and bundling for JavaScript and TypeScript workflows.9.2
- Kotlin/JSA free Kotlin-to-JavaScript toolchain for browser and Node.js projects.8.8
See all Mitosis alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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