I never knew linux's AX25 package had something like inetd. I may need to dust off my TNC's to play with this.
Around 8min mark Tom explains how you could basically connect most unix programs to packet radio. Connecting an irc client to packet might be fun.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko