The Cell framework is a scalable server framework written in C#. It's original purpose is for MMOG emulation but can be easily adapted to other areas. The project includes a proof of concept rewrite of the DAoC emulator DOL.
A small, portable, intuitive, shell like environment for web site administration.
It is not a filemanager, but an interface for users who are accustomed to the Unix shell and prefer to make the basic routines using the commands they are used to.