Our website provided a free download of RarSplitMaker 1.1.5 for Mac. The software lies within System Tools, more precisely File Compression. This free Mac application is a product of AtalantiaDevelopment.
From the developer:
RarSplitMaker lets you choose a file and a split size. The app compresses the file to a RAR archive, and then creates segments of the chosen split-size. You can open newly created files with ease. The latest version updates provides increased performance.
You may want to check out more software for Mac, such as NoLimits Pack Extractor, Secret Missions - Mata Hari and the Kaiser's Submarines or One Zipper, which might be similar to RarSplitMaker.