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Mitosis

builder.io·Infrastructure

Mitosis is a tool designed to enable developers to write user interface components a single time and have them run across multiple frontend frameworks. The platform addresses the challenge of building and maintaining design systems that need to work in diverse JavaScript environments by compiling components for use in frameworks such as React, Angular, Vue, Svelte, Qwik, and others. This approach allows for significant code reuse and consistency across projects that rely on different frontend technologies.

Example code snippets demonstrate how a single component, once written, can be rendered natively in React, Vue, Angular, and Svelte, with each output tailored to the conventions and APIs of the target framework. This feature is particularly useful for teams building multi-framework design systems or for organizations that support products across a range of frontend stacks.

Mitosis is delivered as a development tool, with references to documentation and a playground for experimenting with component code. The tool appears to be aimed at frontend developers and design system architects who are looking to streamline their workflow and ensure their UI components are portable across major JavaScript frameworks.

Open SourceMIT
WebAPI
M
Mitosis preview
Visit builder.io↗
⭐13.9k
stars
🍴636
forks
✓6
features
📅2020
since

Overview

6 features

Mitosis is a Frameworks & SDKs product. It focuses on eliminating the need to rewrite UI components for each frontend framework. Mitosis is an open-source project aimed at frontend developers and design system engineers. The project is open source (MIT). The product ships for the web and API.

It is developed by Builder.io, and the product first shipped in 2020. The project is developed in the open on GitHub with 13.9k stars and 6 commits in the last 90 days. Among its 6 catalogued features are multi-framework output, component compiler, and design system support.

  • ✓Multi-framework output
  • ✓Component compiler
  • ✓Design system support
  • ✓Code playground
  • ✓Open source
  • ✓API integration

Tags

multi-frameworkcomponent-compilerdesign-systems

Built with & integrations

Framework
qwik
Hosting
cloudflareaws
Runs on
BrowserAPI-only

Trust & compliance

LicenseMIT
Verified signals
✓ HTTPS✓ Open Source✓ Free tier✓ GitHub · ★ 13.9k✓ Active maintenance

Recent events

Latest indexed changes and source events

  1. IndexedJul 13, 6:26 AM

    BuilderIO/mitosis verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Mitosis

What is Mitosis?
Mitosis focuses on eliminating the need to rewrite UI components for each frontend framework. It is catalogued under Frameworks & SDKs on PulseGate.
Who should use Mitosis?
Mitosis is an open-source project built for frontend developers and design system engineers.
Does Mitosis have a free plan?
Yes — Mitosis is open source under the MIT license and free to use.
What platforms does Mitosis run on?
Mitosis runs on the web and API.
Is Mitosis still active?
PulseGate's automated liveness checks currently classify Mitosis as active. The GitHub repository shows 6 commits in the last 90 days.
What tools are similar to Mitosis?
Similar tools tracked by PulseGate include Build Modern UI, Your Way, Sync UI // React, and MeetUI.Build Modern UI, Your WaySync UI // ReactMeetUI
Who develops Mitosis?
Mitosis is developed by Builder.io.
How long has Mitosis been around?
Mitosis first shipped in 2020.

At a glance

Platforms
Api · Web
Languages
English
Open source
Yes · ★ 13.9k
License
MIT
First seen
Jul 13, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
Frontend developers and design system engineers
Model
Open source
Solves
Eliminating the need to rewrite UI components for each frontend framework.

Developer

Builder.io
Community-driven
↗ GitHub

Open source

View on GitHub →
⭐ Stars
13,886
🍴 Forks
636
Open issues
173
Last commit
1mo ago
Commits 90d
6
Contributors
109
Authorship
Community-driven
Default branch
main
Latest release
@builder.io/mitosis@0.13.2 · 1mo ago

Live coverage

Confidence
High · 96
Indexed
Jul 13, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
3d ago
Identity audit (9)
Entity ID
cmriub12g00e5alcyc4p701fs
Slug
builderio-mitosis-builder-io
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 13, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 15, 2026
Canonical URL
https://mitosis.builder.io/

Similar apps

Other apps tracked under the same category.

  • Build Modern UI, Your Way
    ilha.build
  • Sync UI // React
    syncui.design
  • MeetUI
    meetui.dev
  • Create UI
    createui.co
  • Osmicsx
    osmicsx.dev
  • UI Builder
    uibuilder.app