4
PCWinTech.com
1,291
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
8
DeviceLock, Inc.
277
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
9
Nsasoft LLC.
2,744
Freeware
List available hosts, open ports, and their characteristics.
upRedSun and iForwarder, Inc.
72
Shareware
It will let you port forwarding to multiple IP addresses at the same time.
2
Verigio Communications Inc.
43
Shareware
Multi Port Forwarder enables you to redirect requests to another IP and port.
38
Nir Sofer
15,722
Freeware
View all network connections established between your PC and other machines.
IDT Corporation
68
Freeware
The dialer uses one local UDP port and one local TCP port.
1
DesertHail
ServerTalk lets you communicate directly with a TCP or UDP port on a server.
43
Odamex Dev Team
10
Freeware
Odamex is a free and open source port for the classic first-person-shooter Doom.
Daniel Scharrer, Sebastien Lussier
92
Open source
Arx Libertatis is a cross-platform, open source port of Arx Fatalis.
SimpleComTools
9
Shareware
VirtualCOM-UDP is a software based UDP/COM Port Redirector solution.
37
NetworkActiv
82
Shareware
NetworkActiv AUTAPF is a UDP and TCP port forwarder.
40
Serial Port Tool
157
Shareware
Professional debug tool for serial port, TCP/IP, UDP, I2C, HTTP communication.
Stefan Zieker
73
Open source
Scriptable data terminal supporting serial port, UDP, TCP client/server, etc.
18
Nsasoft LLC.
142
Freeware
It generates IP/ICMP/TCP/UDP traffic from clients to stress test servers.