HHD Software, Ltd.
It allows you to create virtual serial ports and emulate their behavior.
Virtual Serial Port Driver allows creating virtual serial port pairs on a PC.
Modem Booster is a program that may improve your modem connection speed.
Emulate one or more couples of RS-232 ports connected via null-modem cable.
Virtual Modem PRO fully emulates standard hardware modems. It creates software virtual IP-modems and....
Virtualizez COM ports to provide support for apps and devices that need them.
Lets you connect to remote meters via Serial, Ethernet or Modem communication.
Tactical Software, LLC
TacServe is a software that creates PC-based modem pools or serial servers.
Access Control Technology
It helps you to connect to locations via TCP/IP, serial interface or modem.
It emulates RS232 serial ports connected via virtual null-modem cable.
ERLPhase Power Technologies Ltd.
TESLA 4000 Control Panel - direct serial and modem connections are now automated.
Check proxy(including: http, https,ftp, socks4, socks5 proxy) and show their speed, derive proxy fro....
Polipo is a small caching web proxy (a web cache, an HTTP proxy, a proxy server).
CDC-X lets you see and hear people on the Internet in real-time.
Modem Status indicator (Win95/Win98/NT4/Win2k):blinking modem lights on Your Windows screen! For use....
Advanced Modem Data Logger - an efficient tool for your modem data logging needs.