My Earthquake Alerts

Earthquake warning and recording system

AirCare

What is the air quality like in my area?

Earthquake Network

Receive real-time alerts on seismic activity

Volcanoes & Earthquakes

Real-time information on earthquakes and volcanic eruptions

Tomorrow.io

Check the weather forecast in great detail

FarmGo

Weather forecasts for farms

MeteoBlue

Detailed and accurate weather forecasts

Weather Home

The weather forecast in full detail

Netatmo Weather

Control your personal weather station from your cellphone

My Aurora

Predictions for Northern Lights viewing

Overdrop

What will the weather be like tomorrow?

Earthquake Alert!

Earthquake detector for cell phones

RainViewer

Rainfall alerts and other weather forecasts

LastQuake

Earthquake warnings around the world

Room Temperature Thermometer

Measure the room temperature with your cell phone

Weather Underground

Accurate and detailed weather forecasts

busuu

Interactive exercises and quizzes to learn many languages

Babbel

Learn languages with your mobile phone in an entertaining way

HelloTalk

Practice languages with native speakers

LOLA SPEAK

Learn English by talking

Rosetta Stone

App for learning a range of languages

Duolingo

An app to learn languages, maths, and music with your cell phone

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

Lingokids Chinese for Kids

Learn Chinese from your smartphone

Tandem

Learn to speak other languages by means of conversation exchanges

HiNative

Learn languages with the help of native speakers

Memrise

Learn languages with a revolutionary method

Duolingo ABC

An English course for kids

Mondly

Alternative to Duolingo learn languages

DW Learn German

Free German course adapted to all levels

Pleco

A great resource for students of Chinese