Advance Split Machine (ADSM) is FREEWARE software developed by Nikolas Ehrenberg. This software helps to split and unsplit large files and folders in the .adsm extension format.
GCA is a compression format / program that was sometimes used, mainly in Japan. It has been obsoleted by DGCA, but sometimes .gca files still turn up (and DGCA does not handle them.)
There may well underestimate almost all subjects except three improved methods to compress the NanoZIP or "optimum_1" (default selected), "optimum_2" and "nz_cm" [relatively slowest in both compression and decompression]
sfArk is a lossless compression application optimized for soundfont files (*.sf2). Decompressing tools are available for Windows, Mac OS and Linux, but compression tool is available only for Windows.
WinAce is a archiving shell. With its own compression format ACE and built-in support for other popular compression types like ZIP, RAR and MS-CAB (to name a few).
WinRAR is an archive manager. It can backup your data and reduce size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.