USB Bridge for SMBus/I2C, GPIO, & Clock
A gadget like windows application for showing COM ports (serial)
Win32 API wrappers for accessing COM Uart in blocking mode
The virtual serial port driver for Windows.
Handy LPT port pins manager (also support COM port via USB)
Serial connection Java library
Template Virtual COM Port Project
Debugging tools for application-to-application communication.
Use your arduino to control remote controlled sockets by SMJ.
BeamerCommander for Sanyo PLC-XU78 & PLC-XU75
BlackBSD