App-Ray - App-Ray provides a cutting-edge solution for you to conduct a system-wide analysis and detect vulnerabilities in your mobile applications.

netcat - Netcat is a featured networking utility which reads and writes data across network connections...

Ostorlab - Ostorlab scans your web or mobile application and provides results showing threats and privacy issues.

PortMapper - Do you need to map a specific TCP or UDP port on your machine to another port on another machine?

Traced for Android - Traced is a free cybersecurity app for Android. It detects suspicious activity from apps and unsecured Wi-Fi connections that might be used to spy on you or invade your privacy.

Komodia Relay - Free open source tool to perform TCP based session relay