There are many other replacement shell's for Windows, here are some of the other free ones:
There are lots of users of this still-spry grandpappy of Windows shells, and it is still one of the most actively developed
...for more information from our wiki about Litestep, click here. External Link
LiteShell
LiteShell is a tiny shell designed to run well on old, slow PCs. External Link
Core
An excellent shell (first to be completely written in VB). External Link
SharpE
SharpE (formerly SharpOS) is a good shell written in Delphi, with a bar-oriented interface copied from GeoShell. External Link
EggShell
Another descendant of GeoShell, written in VB. This was called Cloud9ine, but that codebase seems to have been abandoned in favor of EggShell and IceFire
(a shell based on BeOS' interface). External Link
BB4Win
A younger shell based on the Blackbox
Window Manager for Linux. External Link
Bluebox
Another new shell emulating the Blackbox
Window Manager for Linux. External Link