Zello

Zello turns your Android into a walkie-talkie

Caller Name & Location Tracker

Identify and locate callers

Caller ID

Caller ID for Android

Burner

App for generating multiple operating phone numbers

FreeTone

Use a second phone number on your smartphone

Google Fi

The app from the Google virtual operator

Photo Phone Dialer

Set up images to identify the caller

Clever Dialer

Forget about telephone spam

Me

Identify calls and block phone spam

Zadarma

Link your smartphone to your virtual phone switchboard

ANY CALL

Free calling app that takes advantage of VoIP protocol

Chatruletka

Meet new people through video calls

Personal Safety

Quickly ring the numbers that can help you in the case of an emergency

Infgety

A caller ID for seeing who's calling you

ACR Phone

Dialer and call blocker

Sideline

Use two phone numbers on just one phone

v2rayNG

V2Ray Open Source Client

Wifi Unlocker

Application to decrypt Wi-Fi keys

Reaver

App to audit WiFi networks

cSploit

The most advanced security kit for Android

WiFiKill

Control the web traffic of the devices connected to your network

WPS Connect

Connect to your wifi network without passwords

NetHunter

Efficient pen-testing application for Android

DroidSheep

Control the traffic on devices connected to a WiFi

Andrax

Ethical penetration test platform

NetCut

Detect intruders on your WiFi networks

AndroDumpper

App to audit the security of WiFi networks

zANTI

Application to check your network's security

WiFi Magic

Locate and reach public wifi networks

WPSApp

App to audit the security of your WiFi network

Hackode

All the tools necessary to test Android