Dev tools · alternatives · 2026

24 alternatives to UI Challenge

A free tool for generating frontend projects

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. UI Challenge launched in 2021; newer entries below may have overtaken it.

1. 1
   UILearn Design Challenges▲268

   Solve real world problems and build your portfolio

   2023 · uilearn.com · its alternatives →

2. 2
   2016 Maker Challenge▲265

   Make more stuff this year

   2016 · megamaker.co · its alternatives →

3. 3
   UI Challenges▲44

   Learn UI Design By Doing - Free, All Year Round

   2024 · uichallenges.design · its alternatives →

4. 4
   Frontend AI▲1,005

   Your UI generated from prompts or images

   2024 · its alternatives →

5. 5
   UI Generator▲293

   Get mockup UI in seconds

   2022 · uigenerator.org · its alternatives →

6. 6
   Frontend Mentor▲262

   Improve your coding skills by building real projects

   2020 · frontendmentor.io · its alternatives →

7. 7
   Design Challenge▲199

   Challenges that test the process & creativity of designers

   2018 · its alternatives →

8. 8
   UI Patterns▲333

   Level up with interactive mobile design patterns

   2016 · uipatterns.io · its alternatives →

9. 9
   CSS Challenges▲91

   Showcase your UI skills with challenges on uiverse.io

   2023 · uiverse.io · its alternatives →

10. 10
    UIDB▲369

    Find examples of any UI

    2016 · kezaxcd.sa.com · its alternatives →

11. 11
    Uizard▲498

    The design tool for everyone, powered by AI

    2021 · its alternatives →

12. 12
    Markdown▲84

    Level up your frontend skills through daily challenges

    2023 · markdown.co · its alternatives →

13. 13
    100 in 100 Challenge▲533

    Get 100 new paid users in 100 days

    2021 · 100in100.co · its alternatives →

14. 14
    Nas.io▲471

    Platform to launch your paid community challenges

    2024 · nas.com · its alternatives →

15. 15
    UIUI▲180

    UI collection for developers

    2021 · its alternatives →

16. 16
    UI Interactions▲440

    The best UI Interactions for your inspiration, every day.

    2016 · its alternatives →

17. 17
    Once UI 1.5▲302

    When I started my career and built my first design system, I was beyond excited. It took a lot of iterations, learning and 6 months of work to launch it internally. In the next job, I did it again, then at the following job, again… And no matter which company I worked for, 80% of the design system was the same. I’ve decided to work full-time on the design system I’ve always wanted, and today I’m launching and open-sourcing it. You can use it to build Next.js apps faster, and I’ve designed it in a way that it’s hard to go wrong with it: you can choose any settings, and you’ll end up with a…

    Dec 2025 · once-ui.com · its alternatives →

18. 18
    UX Challenges▲328

    For UX designers to learn and practice crucial skills

    2021 · uxtools.co · its alternatives →

19. 19
    Front-End Challenges Club▲23

    Quick, fun challenges & solutions for you to learn front-end

    2019 · front-end-challenges.club · its alternatives →

20. 20
    UI Builder + Mockup tool▲315

    Sketch UI mockups directly on live websites in Chrome

    2025 · chromewebstore.google.com · its alternatives →

21. 21
    UserInterface.io▲348

    Weekly UI/UX tips in your inbox for free

    2021 · vpon.me · its alternatives →

22. 22
    100 Days UI▲313

    Daily UI elements

    2015 · 100daysui.com · its alternatives →

23. 23
    List of +100 Frontend Coding Challenges▲122

    Never run out of coding ideas, ever again.

    2021 · trevorlasn.gumroad.com · its alternatives →

24. 24
    UI Quiz▲238

    Test your design skills in 3 minutes

    2023 · 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 →