AI · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1. 1
   Causal▲105

   AI Powered Canvas for planning visual projects

   Sep 2026 · causal.so · its alternatives →

2. 2
   PixelCrew▲142

   Production-ready design from a crew of AI agents

   Sep 2026 · pixelcrew.ai · its alternatives →

3. 3
   UI Design System▲180

   Starter kit for Sketch to create awesome user interfaces.

   2017 · uidesignsystem.com · its alternatives →

4. 4
   Scumble▲100

   The open-source editor for AI inpainting

   16d ago · github.com · its alternatives →

5. 5
   Muse Gadgets▲185

   Meta's open-source kit for building your own AI gadgets

   19d ago · gadgets.muse.ai · its alternatives →

6. 6
   Wake Annotations▲110

   A more powerful way to give design feedback

   2017 · its alternatives →

7. 7
   Catenary▲90

   Spatial canvas IDE for AI coding agents

   Sep 2026 · thecatenary.app · its alternatives →

8. 8
   Fizzl.io▲162

   The fastest way for UX designers to fetch feedback

   2017 · its alternatives →

9. 9
   Layout – Cropping is Hard▲68

   Figma, and the future of design tools

   2015 · layout.fm · its alternatives →

10. 10
    Squints▲81

    Design tools for the live web

    27d ago · squints.app · its alternatives →

11. 11
    Patternry▲65

    A tool for building living UI libraries

    2014 · pathmode.io · its alternatives →

12. 12
    AIUX▲107

    A systematic UX design course for the responsive web

    2015 · learnaiux.com · its alternatives →

13. 13
    Juggler▲95

    A visual AI coding harness

    Sep 2026 · juggler.studio · its alternatives →

14. 14
    Aperture▲63

    An AI code editor that checks its own work

    18d ago · github.com · its alternatives →

15. 15
    AniJS▲87

    UI Interaction Library for Web Designers in Plain English

    2014 · anijs.github.io · its alternatives →

16. 16
    ESP-Mosaico▲103

    A modular development board built for agents

    Sep 2026 · mosaico.ai · its alternatives →

17. 17
    Scalebrowser▲57

    Human browser capabilities. Now for AI agents.

    26d ago · scalebrowser.net · its alternatives →

18. 18U
    Unvendor▲57

    AI that morphs the interface to you

    Sep 2026 · unvendor.x43.fast · its alternatives →

19. 19
    Automated Responsive Design Testing▲65

    A step-by-step guide to cross-browser layout testing

    2016 · tinnedfruit.com · its alternatives →

20. 20
    Mantlefree tier▲58

    Open-source service builder for humans and AI agents

    Sep 2026 · mantle.tools · its alternatives →

21. 21
    for / with / in▲54

    Experiments and conversations about design in the browser

    2015 · htmloutput.risd.gd · its alternatives →

22. 22SU
    Smooth UI System, a new way to style components▲6

    2019 · smooth-ui.smooth-code.com · its alternatives →

23. 23IM
    I made a visual UI creation tool.▲9

    2025 · uiblocks.xyz · its alternatives →

24. 24PJ
    Page.json – An open standard for representing UI▲5

    The effortless way to control AI

    13d ago · wuwei.us · 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 →