Dev tools · alternatives · 2026

24 alternatives to CSS Challenges

Showcase your UI skills with challenges on uiverse.io

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CSS Challenges launched in 2023; newer entries below may have overtaken it.

1
playCSS▲171
Improve your CSS skills by playing daily challenges
2023 · its alternatives →
2
UI Challenges▲44
Learn UI Design By Doing - Free, All Year Round
2024 · uichallenges.design · its alternatives →
3
uiverse.io▲354
Hundreds of open source UI elements
2022 · uiverse.io · its alternatives →
4
Copy Paste CSS▲136
Find inspiration with a curated list of simple buttons
2021 · copy-paste-css.com · its alternatives →
5
Divize▲117
Learn, write, master HTML/CSS through real UI challenges
2023 · divize.io · its alternatives →
6
Beautiful CSS Buttons by CSS Scan▲191
Curated collection of 83 free beautiful buttons
2021 · getcssscan.com · its alternatives →
7
bttn.css▲367
Awesome buttons for awesome projects!
2016 · bttn.surge.sh · its alternatives →
8
Once UI 1.5▲299
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 →
9
I decided to document and share my high-level CSS best practices▲223
2012 · github.com · its alternatives →
10
Inspiration UI▲167
Find design inspiration from real live projects!
2016 · inspirationui.com · its alternatives →
11
Buttons Generator▲301
100+ buttons you can use in your project
2021 · markodenic.com · its alternatives →
12
100 CSS Buttons▲174
No conversion happens without the click of a button
2022 · ui-buttons.web.app · its alternatives →
13
UX Challenges▲328
For UX designers to learn and practice crucial skills
2021 · uxtools.co · its alternatives →
14
UI Gradients▲101
Lets you make beautiful color gradients in CSS
2014 · uigradients.com · its alternatives →
15
A Product Design Challenge▲206
Get a design challenge to solve real-world problems
2020 · drawerrr.com · its alternatives →
16
hack.css▲174
The CSS framework for hackers
2016 · hackcss.com · its alternatives →
17
css dezigns▲99
Where creativity innovation in web design
2023 · its alternatives →
18
A Single Div▲177
A CSS drawing project
2016 · a.singlediv.com · its alternatives →
19
CSS Triggers▲80
A game of layout, paint and composite
2014 · csstriggers.com · its alternatives →
20
Complete Guide to CSS Grid▲145
CSS Grid tutorial via visuals and examples using ClickUp
2022 · prathkum.gumroad.com · its alternatives →
21
Collection of CSS Creations▲165
Collection of Awesome CSS and JS Creations to help out frontend developers and designers.
2012 · cssdeck.com · its alternatives →
22
Gradient Buttons▲171
Beautiful buttons with hover animations
2017 · gradientbuttons.colorion.co · its alternatives →
23
UI Basics▲8
Learn to build beautiful user interfaces with Tailwind CSS
2024 · uibasics.vercel.app · its alternatives →
24
CSS GUI▲72
Create CSS without code by an open source tool
2022 · cssgui.com · its alternatives →

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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 →