Apps like TCP Ports list

Here are some great alternatives to TCP Ports list by Duncan Watson :
UDP TCP Server
UDP TCP Server
★4.1
Knock on Ports
Knock on Ports
★4.6
TCP Client
TCP Client
★4.5
TCP UDP Server & Client
TCP UDP Server & Client
★4.5
Packet Injection
Packet Injection
★3.8
UDP Sender / Receiver
UDP Sender / Receiver
★3.2
TCP Telnet Terminal
TCP Telnet Terminal
★4.3
Port Authority - Port Scanner
Port Authority - Port Scanner
★4.1
Network Utilities
Network Utilities
★4.6
Simple TCP Socket Tester
Simple TCP Socket Tester
★4.8
Advanced PortChecker
Advanced PortChecker
★4.3
Fast Port Scanner
Fast Port Scanner
★3.5
UDP Terminal
UDP Terminal
★3.9
Net Tools (AdS)
Net Tools (AdS)
★4.1
TeslaModbusSCADA
TeslaModbusSCADA
★5.0
UDP/TCP Widget
UDP/TCP Widget
★4.9