Dev tools · alternatives · 2026

24 alternatives to StartUI-React UI library

Open source projects

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   OpenUI▲543

   Describe UI and see it rendered live

   2024 · github.com · its alternatives →

2. 2
   NextUI▲493

   Beautiful, fast and modern React UI library

   2022 · heroui.com · its alternatives →

3. 3
   Formation▲71

   React-based UI component library

   2022 · its alternatives →

4. 4
   UI Components▲325

   Reusable React components to build apps with Auth0

   2024 · auth0.com · its alternatives →

5. 5
   React Boilerplate 3.0▲370

   Offline-first, highly scalable foundation for your next app

   2016 · github.com · its alternatives →

6. 6
   Performative-UI – A react component library of design tropes▲1,181

   Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!

   Jun 2026 · vorpus.github.io · its alternatives →

7. 7
   Open SaaS▲505

   Open-source & 100% free React & Node.js SaaS starter

   2024 · github.com · its alternatives →

8. 8
   UI Builder for shadcn/ui▲242

   React component for a visual way to create UIs

   2024 · github.com · its alternatives →

9. 9
   ReactSymbols UI Kit▲288

   UI elements in ready-to-use components for React

   2017 · coolsymbol.now · its alternatives →

10. 10
    ReactAI▲440

    Open source free AI react components builder

    2024 · its alternatives →

11. 11
    Keep React▲256

    React-powered web solutions with open-source UI components

    2023 · bestsellers-ai.com · its alternatives →

12. 12
    Antd – A set of high-quality React components▲507

    Following the Ant Design specification, we developed a React UI library antd (Pronunciation) that contains a set of high quality components and demos for building rich, interactive user interfaces.

    2016 · ant.design · its alternatives →

13. 13
    Float UI▲415

    Open-source UI components & templates

    2023 · floatui.com · its alternatives →

14. 14
    Horizon UI▲319

    Trendiest open-source React admin template

    2022 · horizon-ui.com · its alternatives →

15. 15RU
    React UI Component Library▲11

    2017 · robeio.github.io · its alternatives →

16. 16
    Spark UI▲12

    A source-first React component library for modern apps

    Jul 2026 · spark-ui-olive.vercel.app · its alternatives →

17. 17
    Smooth UI, a React UI Library for Humans▲87

    Modern React UI library 💅👩‍🎤🍭. Contribute to smooth-code/smooth-ui development by creating an account on GitHub.

    2018 · github.com · its alternatives →

18. 18
    React Rainbow Components▲327

    Build your web application in a snap.

    2019 · react-rainbow.io · its alternatives →

19. 19
    Radix UI▲233

    Open-source UI components for building accessible web apps.

    2020 · radix-ui.com · its alternatives →

20. 20
    NextUI v2.0▲136

    Beautiful, fast and modern React and TailwindCSS UI library

    2023 · heroui.com · its alternatives →

21. 21
    BadtzUI▲17

    A free and open-source React component library

    2025 · badtz-ui.com · its alternatives →

22. 22
    Flawwwless ui▲135

    Simplified open source React.js components library 🚀

    2019 · ui.flawwwless.com · its alternatives →

23. 23
    ReactUI▲11

    React Components from Top Startup Sites

    2024 · its alternatives →

24. 24
    refine▲236

    Open Source React Framework

    2021 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →