Open-source framework for rapidly building reactive web UIs in Python, with built-in Shoelace components, Markdown, charts, tables, and more.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Self-Hosted
Rax is a universal JavaScript library built and used by Alibaba.com that has a largely React compatible API.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
Oat is an ultra-lightweight HTML + CSS, semantic UI component library with zero dependencies. No framework, build, or dev complexity. Just include the tiny CSS and JS files and you are good to go building decent looking web applications with most commonly needed components and...

Atlaskit is Atlassian's official UI library for React. The UI components are Atlassian Design Guidelines(ADG) compliant, reusable, well-maintained and accessible.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- React

Cost / License
- Paid
- Proprietary
Platforms
- Online
- AngularJS
- Sass
- jQuery
- Bootstrap


+6
WAI-ARIA compatible user interface library built on top of jQuery, it consists of 25+ UI components. Extras include tools for working with geo maps, HTML5 Canvas and SVG.
Cost / License
- Free Personal
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- jQuery
FlyonUI is designed to combine the best of both worlds: the aesthetic appeal of semantic classes and the powerful functionality of JS plugins.
Cost / License
- Free
- Open Source
Application type
Platforms
- Self-Hosted
- CSS
- JavaScript
- Tailwind CSS

BCGControlBar Professional is an MFC extension library that allows you to create the advanced user interfaces. It combines an easy to use and very powerful feature set implemented by highly customizable collection of MFC extension classes.
Cost / License
- Paid
- Proprietary
Platforms
- Windows


+25
OpenUI5 is an open source JavaScript UI library, maintained by SAP and available under the Apache 2.0 license. OpenUI5 lets you build enterprise-ready web applications, responsive to all devices, running on almost any browser of your choice.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- JSON
- JavaScript
- jQuery


Clutter is a GObject-based graphics library for creating hardware-accelerated graphical user interfaces. Clutter is an OpenGL-based 'interactive canvas' library and does not contain any graphical control elements.
UX Power Tools is a collection of design systems to make you a more efficient designer. It's like Bootstrap for Sketch, where all the hard work has already been done for you.


Vue Material is a UI framework that's simple, lightweight and built exactly according to the Google Material Design specs.

Cost / License
- Free
- Open Source (MIT)
Platforms
- Self-Hosted
Tamagui lets you share more code between web and native apps without sacrificing the two things that typically suffer when you do: performance and code quality.



With more than 80 UI components, including advanced tables, charts, and forms, this open-source JavaScript framework will help you build complex, data-rich web applications faster and more efficiently.
Retest helps you deliver the perfect experience to your end-user. It allows you to check your website for functionality, design flaws, and incredible design on hundreds of devices from our dedicated software.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Self-Hosted
- Software as a Service (SaaS)



Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
- React
- Sketch
















































