1
Microsoft Research
60
Freeware
Analyzes network traces of Transmission Control Protocol (TCP) connections.
Dan Elwell
84
Shareware
The ultimate connection monitoring and benchmarking tool.
18
SimpleComTools
336
Freeware
TCP Test Tool can be used to diagnose TCP traffic on any IP network.
4
PCWinTech.com
1,305
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
3
Art of Ping
19
Shareware
PingFu UDP transmits UDP packets encapsulated in the TCP communication protocol.
17
Speed Guide Inc.
21
Freeware
SG TCP Optimizer allows you to tune and optimize TCP and IP related parameters.
Stefan Zieker
78
Open source
Scriptable data terminal supporting serial port, UDP, TCP client/server, etc.
Datastead Software
75
Shareware
Capture RTSP, RTMP, UDP, TCP, MMS, HTTP streams and render audio/video streams.
Data Apples Corporation
8
Shareware
You can test your internet connectivity and see your active connections.
18
Nsasoft LLC.
143
Freeware
It generates IP/ICMP/TCP/UDP traffic from clients to stress test servers.
2
Global Web Monitor
39
Shareware
Scans about 400 ports a second. It supports both the TCP/IP and UDP protocols. Select address range....
7
Binary Visions Inc
129
Freeware
Allows you to capture network traffic for TCP, UDP or ICMP protocols.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
43
Shirozu Hiroaki
82
Freeware
Chat with friends using a pop-up style LAN Messenger based on TCP/IP(UDP).
Neil Winton
304
Freeware
Establish an encrypted, compressed “tunnel” for TCP/IP or UDP data transfer.