Work · alternatives · 2026

24 alternatives to UI Builder + Mockup tool

Sketch UI mockups directly on live websites in Chrome

UI Builder is a Chrome extension that lets users create sketch-style wireframes directly on live websites or a blank canvas. It allows designers and teams to quickly drag buttons, inputs, and headers onto any page for… 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
   UI Generator▲293

   Get mockup UI in seconds

   2022 · uigenerator.org · its alternatives →

2. 2
   Mockups by designstripe▲376

   Create remarkable mockups directly in your browser

   2022 · visual.app · its alternatives →

3. 3
   Mockuuups Studio▲515

   Product mockups, made easy and instantly.

   2016 · mockuuups.studio · its alternatives →

4. 4
   Subframe▲756

   The best way to build UI, fast

   2024 · subframe.com · its alternatives →

5. 5UB
   UI builder for web developers▲25

   2017 · tandemcode.com · its alternatives →

6. 6
   uiprint▲308

   Printable templates of mockup, wireframes and sketchpads

   2019 · uiprint.co · its alternatives →

7. 7
   Mockup 2.0▲153

   Sketch out your UI/UX projects without paper

   2022 · getmockup.app · its alternatives →

8. 8
   Webflow Flexbox UI Builder▲444

   Build flexible, responsive layouts - without writing code

   2016 · flexbox.webflow.com · its alternatives →

9. 9
   Lightning Builder▲82

   Build stunning website mockups in minutes for free

   2022 · its alternatives →

10. 10
    UI Builder for shadcn/ui▲242

    React component for a visual way to create UIs

    2024 · github.com · its alternatives →

11. 11
    Wizardshot▲487

    Create step-by-step tutorials automatically using AI

    2024 · wizardshot.com · its alternatives →

12. 12
    Clean Mockups▲740

    Create stunning mockups that make your design standout

    2019 · cleanmock.com · its alternatives →

13. 13
    UI Replicator▲586

    Clone any website with just one click

    2024 · its alternatives →

14. 14
    A tool to create printable UI mockups and wireframes templates▲155

    Create printable UI mockups & wireframes templates - alexadam/printable-mockups

    2019 · github.com · its alternatives →

15. 15
    Browser Mockups▲204

    Create your own CSS browser mockups that you can copy-paste

    2020 · its alternatives →

16. 16
    Moio▲401

    The future app builder for designers

    2025 · moioapp.com · its alternatives →

17. 17
    Base UI Sketch Framework▲263

    Huge set of everything you need to design and prototype

    2017 · its alternatives →

18. 18
    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 →

19. 19
    BuilderX▲279

    Design to code, designers and developers on one platform.

    2019 · rapidnative.com · its alternatives →

20. 20
    MarkUp for Chrome▲387

    Turn any URL into a canvas for feedback from your browser

    2020 · chromewebstore.google.com · its alternatives →

21. 21
    Build with Theta▲475

    Prototype and test apps in production w/ fly-on-air updates

    2023 · anomalia.so · its alternatives →

22. 22TS
    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 →

23. 23
    ToDesktop Builder▲401

    Web app to desktop app in minutes

    2023 · todesktop.com · its alternatives →

24. 24
    Uix Page Builder▲138

    User-friendly, drag + drop, online visual editing

    2017 · wordpress.org · 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 →