9
Nsasoft LLC.
2,775
Freeware
List available hosts, open ports, and their characteristics.
31
Famatech International Corp.
15,916
Freeware
Retrieves versions of programs running on the detected ports.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
3,441
AVG Technologies
247,014
Freeware
Protects your computer from viruses, spyware, ransomware, and other malware.
16
PCWinTech
8,596
Freeware
Simple Port Forwarding works with WebPages and not directly with your router.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
40
JPSoft DK
119
Freeware
How wide open is your computer?With LPS you're able to check your computer foropen or listening port....
20
MooreR Software
3
Freeware
Port Listener XP is designed to open up fake ports.
1
usbpicprog
509
Open source
usbpicprog is an open source Microchip PIC programmer for the USB port.
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
93
Open source
Arx Libertatis is a cross-platform, open source port of Arx Fatalis.