Flavours2 226 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The latest setup package takes up 315.9 MB on disk. The application is included in Theming Tools. This Mac app is an intellectual property of Interacto Labs Inc. We recommend checking the downloaded files with any free antivirus.
From the developer:
Flavours Lite is an application to change the operating system's appearance in a fast, easy, and safe way. Applying a theme is only mouse-click away.
Flavours Lite was designed and built from the ground up for OS X 10.10 Yosemite. It features a completely rethought user experience through a new elegant UI, and introduces a new lightweight, fast, safe theming engine. Light - Lightweight engine with overall better system performance.
You may want to check out more software for Mac, such as Flavours 2, which might be similar to Flavours2.