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Phlex

Phlex is a free, open-source UI component library. Object-oriented views in Ruby. It has 1,531 GitHub stars and is released under the MIT license. A live demo is linked from this page. Start a project with npx degit yippee-fun/phlex or clone the repository.

github.com/yippee-fun/phlex (opens in a new tab)

Data as of from the GitHub API; description from the project's repository. Report an error

View on GitHub (opens in a new tab)Live demo (opens in a new tab)

Get started

Copy the files into a new folder with degit (no git history), or clone the repository with git.

Copy with degit
npx degit yippee-fun/phlex my-ui
cd my-ui
Or clone with git
git clone --depth 1 https://github.com/yippee-fun/phlex.git my-ui

Sources: GitHub docs on template repositories, degit.

About Phlex

When a security issue is brought to our attention, we aim to release patches as soon as possible. We aim to patch with a new non-breaking version:

GitHub preview card for yippee-fun/phlex
GitHub social preview of yippee-fun/phlex. Open the live demo for the real design.

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FAQ

Phlex FAQ

Still curious? Email info@appsgit.com.

How do I use Phlex?

Copy the files into a new folder with npx degit yippee-fun/phlex my-ui (no git history), or fork the repository on GitHub. Then follow the README for the install and dev commands.

Can I use Phlex for commercial projects?

Yes. Phlex is released under the MIT license, a permissive license that allows commercial use as long as you keep the copyright and license notice. Third-party assets bundled with it (images, fonts, icons) may have their own terms.

Is Phlex maintained?

The repository's most recent commit was on Oct 13, 2026. Its latest release is 2.4.1. appsgit only lists templates from repositories with a commit in the last six months.