
Ant Design System for Figma
UserInterface.io
50 UI Tips
Radix UI
DaisyUI
The Startup Way
Candu
The documented collection of UI components

mabl
Ghost Inspector
Leapwork
TestMu AI (Formerly LambdaTest)
Katalon
DevTest
TestProject
Functionize combines natural language processing, deep-learning ML models and other AI-based technologies to empower your team to build tests faster that don’t break and run at scale in the cloud.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | uiplaybook.dev | functionize.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Vdo UI playbook
How Functionize Improves Software Testing
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using UI Playbook and Functionize. For example, how are they different and which one is better?
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A large library of 2100+ handcrafted UI components
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Weekly UI/UX tips in your inbox for free
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Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
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Improve your UI/UX skills in an hour, for free
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Smarter Faster Test Automation: Leapwork is a codeless and AI-Powered end-to-end test automation platform enabling everyone to deliver continuous quality across customer journeys.
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