Interacto Labs has announced Flavours 2 Lite for OS X Yosemite. It features a hand picked selection of 128 themes and their variants and lets you change the look of OS X.
Flavours 2 Lite was designed and built from the ground up for OS X Yosemite. It features a revamped user interface and introduces a new lightweight, fast theming engine.
Flavours costs US$5 and can be downloaded from the Flavours website (http://flavours.interacto.net/). It requires Mac OS X Yosemite.