head to head · open source
storybook vs simba
storybook has 91,089 GitHub stars, 10,452 forks, 1,831 open issues and last shipped today. simba has 1,541 stars, 114 forks, 6 open issues and last shipped 3 months ago. storybook leads on adoption by 5,811% (91,089 vs 1,541 stars). storybook is written in TypeScript under MIT; simba is written in TypeScript under Apache-2.0. storybook has attracted 11% as many forks as stars, simba 7%. storybook was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| storybook | simba | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.5K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-18 | 2026-06-18 |
| Forks | ⑂ 10K | ⑂ 114 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick storybook if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick simba if
- You want the simba feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and simba fits your workflow better
About storybook
Storybook is an open source, MIT licensed frontend workshop, written in TypeScript, for building, documenting, and testing UI components and pages in isolation, aimed at frontend engineers and design system teams working in React, Angular, Vue, Svelte, React Native, HTML, and other supported renderers.
read the full storybook overview →
About simba
High Efficiency Customer Service Assistant See how easy it is to integrate Simba into your website What is Simba? Simba is an open source customer service assistant built for teams who need full control over their AI. Unlike black box solutions, Simba is designed from the ground up around evaluation and customization , so you can measure performance, iterate fast, and tailor the assistant to your exact needs. Why Simba? Key Features Evaluation First Design Track retrieval accuracy, generation quality, and latency out of the box. Know exactly how your assistant performs. Fully Customizable Swap embedding models, L…
read the full simba overview →
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Frequently asked questions
Is storybook or simba more popular?
storybook has 91,089 GitHub stars and simba has 1,541. storybook has the larger community by that measure.
Are storybook and simba free?
Both are open source. storybook is licensed under MIT and simba under Apache-2.0. Neither carries a licence fee.
What is the difference between storybook and simba?
storybook is written in TypeScript and simba in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, storybook or simba?
Choose storybook if you want the larger community (91,089 stars) or its MIT licence terms. Choose simba if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.