NaviServer, a high performance web server written in C and Tcl
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Convenience sockets library for GNU/Linux
A software gps simulator
Datagrams and Udp For Tcl
Hexadecimal and raw packet injector and sniffer.
Tkined/Scotty is a graphical network monitoring package
A Tcl extension for building network management (SNMP, ICMP, UDP, DNS) applications
Power Management for Linux Home Servers using UDP.