GNU License executable file compression and decompression utility that supports many executable file formats. Versions available for Linux, Win32, and DOS, will supports many executable file formats. http://upx.sourceforge.net/
A file manager designed for accessing Novell, NT or Linux drives from any Windows 95/98/NT/2000 or DOS computer. Features include built-in file viewer and search functionality. http://www.runtime.org/captain.htm
CCZIP utility provides zipping, unzipping, disk spanning, self extracting EXEs, and encoding. For Windows 3.1/95/98/NT and DOS. http://www.castillobueno.com/cczip.htm
Dr. Nikolai Bezroukov's extensive page devoted to OFMs, often called NC, Norton Commander, style file managers. Detailed online book, "The Orthodox File Manager Paradigm", comparisons of various programs, many links. http://www.softpanorama.org/OFM/index.shtml
ZTreeWin and ZTreeBold are native 32bit text-mode file/directory managers for Windows (95/98/Me/NT/2K/XP) and OS/2 respectively, modelled closely on the text-mode file-manager XTree Gold. Shareware. http://www.ztree.com/
File viewer with explorer style interface. View and edit almost any file directly without launching the files native application. Full archive manger / ZIP viewer to create, view, edit, convert and extract compressed files using multiple formats. [Windows http://www.spadixbd.com/clikview/
You've Got Files! monitors selected directories for new or changed files and generates an email or launches an executable upon file arrival. http://www.youvegotfiles.com/