Duolingo ABC

An English course for kids

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

DW Learn German

Free German course adapted to all levels

ChineseSkill

Learn Chinese with simple tasks and games

HiNative

Learn languages with the help of native speakers

busuu

Interactive exercises and quizzes to learn many languages

Mondly

Alternative to Duolingo learn languages

LOLA SPEAK

Learn English by talking

Pleco

A great resource for students of Chinese

Lingomate

Learn Chinese on your mobile

Rosetta Stone

App for learning a range of languages

Lingokids Chinese for Kids

Learn Chinese from your smartphone

English Grammar Test

Improve your English grammar

Babbel

Learn languages with your mobile phone in an entertaining way

HelloTalk

Practice languages with native speakers

Memrise

Learn languages with a revolutionary method

AndroDumpper

App to audit the security of WiFi networks

WPSApp

App to audit the security of your WiFi network

v2rayNG

V2Ray Open Source Client

DroidSheep

Control the traffic on devices connected to a WiFi

zANTI

Application to check your network's security

WiFiKill

Control the web traffic of the devices connected to your network

WiFi Magic

Locate and reach public wifi networks

Andrax

Ethical penetration test platform

Reaver

App to audit WiFi networks

Hackode

All the tools necessary to test Android

NetHunter

Efficient pen-testing application for Android

Wifi Unlocker

Application to decrypt Wi-Fi keys

cSploit

The most advanced security kit for Android

NetCut

Detect intruders on your WiFi networks

WPS Connect

Connect to your wifi network without passwords