The TclVfs project aims to provide an extension to the Tcl language which allows Virtual Filesystems to be built using Tcl scripts only. It is also a repository of such Tcl-implemented filesystems (metakit, zip, ftp, tar, http, webdav, namespace, url)
EzBasic - A C++ based library, that can be used to make programs using functions as in VB. The library has 25 classes ranging from GUI, Threads, String, Active-X etc.
A peer-to-peer file replication (synchronization) engine written in Java. Managed via the web. Keywords: RMI, JSP, Sync, P2P.