Bootswatch

Bootswatch is a website that offers a collection of free themes for Bootstrap, a popular front-end framework. Users can browse and download a variety of themes that provide different visual styles and designs for their Bootstrap-based websites.

The themes are easy to install, customizable, and tuned for the latest version of Bootstrap. Users can choose themes such as Cerulean, Cosmo, Cyborg, Vapor, Yeti, and more.

Bootswatch themes are open source, released under the MIT License, and maintained by the community on GitHub.