HJSplit - HJSplit is a popular set of freeware file-splitting programs created by Freebyte.
Free File Splitter - File Splitter is a handy freeware program which allows to easily split and merge files
Batch File Split & Join - Split and merge multiple text or binary files in either character, line, or byte modes. When splitting files, you can split on certain text or binary separator; target given number of parts; or target specific part size. Join files on lines/bytes.
GSplit - GSplit is a free file splitter that splits any file into smaller files called pieces. Lots of customization options, attractive and easy-to-use interface.
Folder Marker - Simply select the folder you want to mark, right-click on its icon and select a color-coded icon from the drop-down menu. The icon will be assigned to the folder at once.
Xtremsplit - Xtremsplit is a software solution that enables to cut a large file into several smaller parts.