WHMCS is also worth your consideration when it comes to developing and modifying websites. The tools and functionality included with WHMCS templates allow you to quickly launch or maintain your web hosting website. 

The WHMCS theme is a collection of templates, styles, and scripts that are used to customize the appearance of the WHMCS web hosting and billing software.  

Best WHMCS themes allow users to customize the look and feel of their WHMCS installation to match their own branding requirements. In addition to the WHMCS template files, some themes also include additional features such as language packs, custom logo images, and other customization options.