The nicegui python package was released few days ago on the GitHub project, you can install with the pip tool:
python -m pip install nicegui
WARNING: Ignoring invalid distribution ~adquery-ocp (C:\Python313_64bit\Lib\site-packages)
Collecting nicegui
Downloading nicegui-3.9.0-py3-none-any.whl.metadata (11 kB)
...
Successfully installed aiofiles-25.1.0 httptools-0.7.1 ifaddr-0.2.0 lxml-html-clean-0.4.4 markdown2-2.5.5 nicegui-3.9.0You can find some examples on the official webpage.