HyperUI is one of the most popular Tailwind CSS components libraries on GitHub with around 3.4k stars as of writing this. It's free, is open-source and features over 300 components across marketing, eCommerce and application UI.
HyperJS is an open-source collection of Alpine JS components. I built this project based on the annoyance of having to write duplicate Alpine JS logic for different projects.
Hypercolor is a collection of pre-made gradients created with Tailwind CSS. It has been extended to provide radial and conic gradients through changes to the Tailwind CSS config.