4
PCWinTech.com
1,302
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
12
Portforward.com
8,784
Shareware
A handy suite of network tools to help get your ports forwarded.
9
AGG Software
1,682
Shareware
This app allows you to check the flow of data through a computer's COM ports.
9
Nsasoft LLC.
2,777
Freeware
List available hosts, open ports, and their characteristics.
1
AB-Tools.com
91
Freeware
Monitor a server or the services of a server and be assured of your AT&T.
2
Opt-In Software
230
Freeware
Check SOCKS4/SOCKS5/HTTP/HTTPS proxies with and without authentication.
BillProduction
6
Freeware
This plugin opens a Serial Port connection with your serial peripheral .
100
QKSoft
4
Utility Ping -professional ping utility to check network connection.
AccuSolve, Inc.
Freeware
EverWatch Server Monitor allows you to continuously check the connection status.
tm
21
Freeware
Connection Helper enables you to check your Streamyx connection.
79
ELTIMA Software GmbH
42
Shareware
It ensures simultaneous,high-speed,bi-directional connection to RS232 port.
2
Flachmann & Heggelbacher
930
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
Cisco Systems, Inc.
7
Freeware
Cisco Unity Port Status Monitor is a remote connection utility.
79
mep
34
Open source
TCPCOM32 is designed to be a serial port to TCP/IP connection mapper.
4
NGSoft
262
Shareware
Is a tool which allows you to establish a 802.3 connection over a serial port.
Shreeharsha Perla & Veena Pai
Freeware
PC to PC Communication via RS232 port. Chat with only 3-wire connection.