Bash's Linux scripts
LinuxHotFolder simulate some Apple's hotfolder functions on Linux.
SSHReplicator is a daemon that with
ssh and cryptographics keys whithout password realize vpn.
SynCheck is a bash script for log and block SYN flood attacks.
Windows's scripts
BackupWin make a automatic backup erasing old tapes.
Solaris
nettherm the udp client for Web Thermometer
Java
FilesList configurable program for listing files in directories. The intarface is in italian.
Objective C
Bar Code application for drawing EAN13 barcode on Mac OSX.
Electronic
adc0831 java program for make an adc withe the pc parallel port.