Network messaging tool with DES encryption support. You can configure port number and 8 byte DES key. It is peer-to-peer application. This mean is your messages sending directly to sending other client. Application default port number is 80 and It is using UDP protocol for communication.
You can download Win32 binary. MacOSX and Linux binaries are welcome.
These programming tools and libraries used for development.
Lazarus : http://lazarus.freepascal.org
Synapse : http://www.ararat.cz/synapse/
DES : http://www.cityinthesky.co.uk/cryptography.html
Synapse already included in source code directory. You have to just install cryptography components for compile.
Win32 binary : TurboTalker-0.1
Source code: TurboTalker-0.1-src
It is licensed under GPL license.