JuiceSSH – Terminal including SSH, Local Shell, Mosh, and Telnet support.
Fing – Network scan tool to discover and identify all the devices connected to your router.
Wifi Analyzer – Check the usage of the wifi channels and signal strength.
ConnectBot – A powerful open-source Secure Shell (SSH) client.
RaspController – Manage RaspberryPi’s files, to control the GPIO ports, access SSH, view images from a connected camera, and obtain data from different sensors.
RasPi Check – Checks system’s information (overclocking, free memory, runtime, disk status), and sends custom commands.
OpenSignal – This tool is able to monitor channels and mobile carriers for 5G / 4G / 3G signal strength, speed test, dead zones map, and GPS location of each cellphone tower nearby.