TVicPort 4.1 (by EnTech Taiwan)
Generic device driver for doing port i/o and memory access from Win32

RapidDriver 2.1.5.1 (by EnTech Taiwan)
Toolkit for USB/PCI/ISA Hardware Programming and Debugging.

RapidDriver 2.1.5.1 (by EnTech Taiwan)
Toolkit for USB/PCI/ISA Hardware Programming and Debugging.

Share Serial Ports 1.0 (by ELTIMA Software GmbH)
Share serial port with bidirectional data transfer between multiple applications

Virtual Serial Port Control 2.3 (by FabulaTech, Inc.)
Creates virtual serial ports to which any serial application can connect

Virtual Serial Port Driver 9x 2.0 (by SoftInfinity)
Create two virtual serial COM ports in your system

Virtual Serial Port ActiveX Control 3.0.1 (by ELTIMA Software GmbH)
Create custom additional virtual serial port in system and fully control it.

Virtual Serial Port ActiveX CE 3.1 (by ELTIMA GmbH)
Create virtual serial ports directly from your applications under Windows CE!

Virtual Serial Ports Driver CE 3.2 (by ELTIMA Software GmbH)
Connect applications in Windows CE and exchange data via virtual serial ports.

Serial Splitter 3.0 (by ELTIMA Software GmbH)
Enable all applications to receive same data from a serial port simultaneously.

Shared Serial Ports 1.1 (by ELTIMA Software GmbH)
Share a real serial port between multiple applications.

Easy Control 2.0 (by Cosmin Buhu)
Script based serial/TCP/IP communication software and virtual instrumentation

Tail4Win 2.7 (by Withdata Software)
a windows port of the UNIX 'tail -f' command. monitor changes to file

PE Explorer 1.98 R5 (by Heaventools Software)
DLL viewer, resource editor, win32 PE disassembler, and dependency scanner.

Serial Monitor 4.10 (by HHD Software)
Software serial port monitor Rs232 com sniffer with protocol logger and analyzer

vTest 1.1 (by Verisium, Inc.)
vTest is an automated functional & regression testing tool for web applications

Deleaker Add-in for Visual C++ 1.2.9 (by Softanics)
Deleaker: an effective solution to the problem of detecting program leaks.