microTone Module is analog interface to connect microcontrollers or digital logic systems with PCs. This interface use PC sound card’s audio output terminal to send commands to external hardware systems.
Yana - Yet Another Network Analyzer. TCP, UDP, IP, ICMP, ARP, SNMP, EGP; FPT, SNTP, HTTP analysis tool with source code (Delphi in release 0.1.0, Freepascal in releases 0.2.x). Includes RFC1213 units libraries source.