321Soft (www.321soft.com) has released EasySplitMerge 2.0.1, an update of the file splitter and merger for Mac OS X.
It lets you split a large file into multiple chunks, then rejoin them. EasySplitMerge supports most types of files.
A demo version is available for download. A single user license is available for US$19.95. EasySplitMerge requires Mac OS X 10.6 and higher