Work · alternatives · 2026

24 alternatives to Skeleton UI

An interactive design system built in ProtoPie

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Skeleton UI launched in 2022; newer entries below may have overtaken it.

1. 1
   Skeleton UI Gallery▲225

   Free, customizable SVG skeleton loader UI elements

   2023 · brandbird.app · its alternatives →

2. 2
   OpenUI▲543

   Describe UI and see it rendered live

   2024 · github.com · its alternatives →

3. 3
   Craft Prototype, from InVision▲660

   Design, prototype, and collaborate seamlessly

   2017 · miro.com · its alternatives →

4. 4
   Base UI Sketch Framework▲263

   Huge set of everything you need to design and prototype

   2017 · its alternatives →

5. 5
   ProtoPie 3.9▲300

   Easiest prototyping tool. More powerful than ever.

   2018 · protopie.io · its alternatives →

6. 6
   ProtoPie 4.0▲378

   Change the way you prototype on macOS & Windows

   2019 · protopie.io · its alternatives →

7. 7
   Material Design UI Kit▲207

   Helps you create interactive material design prototypes fast

   2015 · wearebridge.co · its alternatives →

8. 8
   ProtoPie 5.0▲240

   The future of interactive prototyping is here.

   2020 · protopie.io · its alternatives →

9. 9
   CraftUI▲231

   Instantly craft stunning UI components from prompts

   2024 · expireddomains.com · its alternatives →

10. 10
    Nucleus UI▲187

    Free UI component library to create mockups in Figma quickly

    2021 · nucleus-ui.com · its alternatives →

11. 11
    Marvel (mobile)▲293

    Turn sketches into prototypes (new iOS & Android apps)

    2014 · marvelapp.com · its alternatives →

12. 12
    Stage▲271

    Super simple design and prototyping tool for everyone

    2022 · stage.so · its alternatives →

13. 13TS
    Turn sketches on paper into app prototypes▲222

    The collaborative design platform. Wireframe, prototype, user test, design and inspect designs in one place, for free! Or create an integration with our API.

    2014 · marvelapp.com · its alternatives →

14. 14
    Pixate▲464

    Design native mobile app prototypes without code

    2014 · pixate.com · its alternatives →

15. 15
    React Proto▲313

    React application design and prototyping tool

    2018 · react-proto.github.io · its alternatives →

16. 16
    Skeleton▲70

    Simply display any website as customizable overlay

    2022 · github.com · its alternatives →

17. 17
    Mockups fixed by making collaboration effortless, built with React▲334

    Your wireframe should be easy to share with any developer on your team. Design fast with iPhone and iPad collaboration. Precursor is productive prototyping.

    2015 · precursorapp.com · its alternatives →

18. 18
    Moio▲401

    The future app builder for designers

    2025 · moioapp.com · its alternatives →

19. 19
    Marvel for iOS▲278

    Rapid design and prototyping for the iPhone and iPad

    2016 · marvelapp.com · its alternatives →

20. 20
    Form▲203

    Interaction & prototyping design tool for iOS apps

    2014 · m3.material.io · its alternatives →

21. 21
    Layout.dev▲145

    Turn ideas into prototypes — in seconds

    2025 · layout.dev · its alternatives →

22. 22
    ReactSymbols UI Kit▲288

    UI elements in ready-to-use components for React

    2017 · coolsymbol.now · its alternatives →

23. 23
    Clayzo▲112

    Prototype, design, and collaborate on your existing products

    Mar 2026 · clayzo.com · its alternatives →

24. 24
    Platforma for iOS▲262

    The ultimate wireframe kit for app prototyping

    2016 · platforma.ws · 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 →