Interacto Labs has announces Flavours 1.1 (http://flavours.interacto.net), now with OS X Mavericks (10.9) support.
Flavours is a Mac application for changing the appearance of Mac OS X. It allows users to create, apply and share themes. The application features a local theme gallery and an online store where users can download and publish their theme creations. Shipping with an embedded intuitive WYSIWYG editor, it allows users to create their own themes.
Flavours 1.1 also adds several under-the-hood improvements (improved system stability, use less intrusive approach, and additional bug fixes and enhancements) and adds initial internationalization support (added Portuguese, more on the way).
Flavours 1.1 requires Mac OS X 10.7.3 or higher and costs US$19.90. It has full support for Retina displays.