Dev tools · alternatives · 2026

24 alternatives to Pixel UI – open-source design system for web application [MIT License]

Pixel UI Kit - Free and open source Bootstrap 5 UI Kit without jQuery - themesberg/pixel-bootstrap-ui-kit

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Pixel UI – open-source design system for web application [MIT License] launched in 2020; newer entries below may have overtaken it.

1. 1
   Free Bootstrap UI Kit▲9

   Pixel UI Kit - Free and open source Bootstrap 5 UI Kit without jQuery - themesberg/pixel-bootstrap-ui-kit

   2020 · github.com · its alternatives →

2. 2
   Accessibility-First Design System▲6

   Pixel UI Kit - Free and open source Bootstrap 5 UI Kit without jQuery - themesberg/pixel-bootstrap-ui-kit

   2020 · github.com · its alternatives →

3. 3
   Material Design for Bootstrap – Powerful and Free Material Design UI KIT▲164

   700+ components, stunning templates, 1-min installation, extensive tutorials & huge community. MIT license - free for personal & commercial use.

   2016 · mdbootstrap.com · its alternatives →

4. 4
   Pixel▲10

   Open source Bootstrap 5 UI Library

   2021 · demo.themesberg.com · its alternatives →

5. 5
   Material Design for Bootstrap 5▲112

   First B5 Material UI KIT - 500+ open source components

   2020 · mdbootstrap.com · its alternatives →

6. 6
   Stream UI Kit▲195

   A beautiful open source Bootstrap 4 UI kit

   2018 · htmlstream.com · its alternatives →

7. 7
   Now UI Kit▲457

   A beautiful Bootstrap 4 UI kit. Yours free.

   2017 · demos.creative-tim.com · its alternatives →

8. 8
   Material Kit – Open Source UI for Bootstrap, React, Vuejs, React Native▲193

   Free and Open Source UI Kit for Bootstrap 5, React, Vue.js, React Native and Sketch based on Google's Material Design - creativetimofficial/material-kit

   2019 · github.com · its alternatives →

9. 9
   React Bootstrap 5▲167

   700+ UI components & templates for Bootstrap 5 & React 17

   2021 · mdbootstrap.com · its alternatives →

10. 10
    Shards UI Kit▲308

    A free and modern UI kit based on Bootstrap 4.

    2017 · designrevision.com · its alternatives →

11. 11
    Solid, a free and MIT licensed design system / UI kit for Bootstrap 4▲94

    Interactive demo overview for the Solid Design System featuring component examples, layout guidance, Bootstrap foundations, and practical implementation patterns for production projects.

    2020 · docs.vantage-design.com · its alternatives →

12. 12
    Windows 95 web components [MIT License]▲19

    💾 Windows 95 UI Kit made with Bootstrap 4 components - themesberg/windows-95-ui-kit

    2020 · github.com · its alternatives →

13. 13
    Site Kit by Google▲354

    Bringing the best of Google tools to WordPress

    2018 · sitekit.withgoogle.com · its alternatives →

14. 14
    Start Bootstrap▲116

    Bootstrap Themes, Templates, Snippets, and Guides

    2014 · startbootstrap.com · its alternatives →

15. 15
    Material Kit▲250

    A badass Bootstrap UI Kit based on material design

    2016 · demos.creative-tim.com · its alternatives →

16. 16
    React Bootstrap Material UI Kit▲222

    Free UI Kit built with React, Bootstrap 4 & Material Design

    2017 · mdbootstrap.com · its alternatives →

17. 17
    Material Kit - Free & Open Source UI Kit▲22

    For Bootstrap, React, React Native, Vuejs, Wordpress, Sketch

    2019 · demos.creative-tim.com · its alternatives →

18. 18
    Float UI▲415

    Open-source UI components & templates

    2023 · floatui.com · its alternatives →

19. 19
    I built an offline, open‑source desktop Pixel Art Editor in Python▲214

    It requires no registration, no installation, and no configuration. Just run it on any computer and start drawing freely.

    2025 · github.com · its alternatives →

20. 20
    A Beautiful Open Source Bootstrap 4 UI Kit▲17

    Stream - UI Kit. A beautiful Open Source Bootstrap 4 UI Kit under MIT license for better web! - htmlstreamofficial/stream-ui-kit

    2018 · github.com · its alternatives →

21. 21
    Vue Bootstrap Material Design Kit▲230

    Free UI Kit built with VueJS, Bootstrap 4 & Material Design

    2018 · mdbootstrap.com · its alternatives →

22. 22
    Pixel UI Kit▲6

    The Ultimate Bootstrap 4 UI Kit

    2019 · themesberg.com · its alternatives →

23. 23
    Free Deca UI Kit▲214

    Clean UI Kit with necessary stuff to create design projects

    2020 · deca.craftwork.design · its alternatives →

24. 24
    Modular Android Kit▲117

    A free material design UI kit from Framer.

    2018 · framer.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 →