...Far Manager has a multi-language, easily configurable interface. File system navigation is made easier through the use of color highlighting and sort groups.
The functionality of Far Manager is greatly extended by external DLL modules — plugins (made possible by a special set of interfaces — the Plugins API). For example: archive support, FTP client, temporary panel and network browser are all implemented as plugins included in the standard distribution of Far.
AGfUPX is a nice GUI for UPX with many advantages. Selecting a file using drag & drop, shell integration (adding "Open with AGfUPX" option to the context menu of exe/dll files) and redirecting UPX output to a windows dialog box are only few of them.
OpenSETUP is an installation routine which looks like install shield. But it's free. It has many options like encryption, gradient colors, dialogs, file lists, OCX/DLL registration, different languages, full graphic interface, anti crackin routine...