Apps like EasyTCP

Here are some great alternatives to EasyTCP by 沈垚 / ShenYao China Classic :
TCP Telnet Terminal
TCP Telnet Terminal
★4.3
UDP/TCP Widget
UDP/TCP Widget
★4.9
Simple TCP Socket Tester
Simple TCP Socket Tester
★4.8
NetPal - netcat for Android
NetPal - netcat for Android
★4.3
UDP TCP Server
UDP TCP Server
★3.9
Packet Injection
Packet Injection
★3.8
TCP MobileClock
TCP MobileClock
★4.9
OTG Device, USB Device
OTG Device, USB Device
★3.6
BlueDUN+
BlueDUN+
★3.9
PortSIP Softphone
PortSIP Softphone
★3.7
ScreenStream
ScreenStream
★3.9
Output Messenger
Output Messenger
★3.4
ScreenOnPC Lite
ScreenOnPC Lite
★4.2
Plugin:LG v1.0
Plugin:LG v1.0
★3.9
Telerivet Gateway
Telerivet Gateway
★4.0
Easy Voicemail
Easy Voicemail
★3.7