Keep track of your vocabulary, and get automaticaly suggestions for what word to repeat next. Get more information on the words that you have learned from wiktionary.org on a click of a button.

Learn how to determine a proper der/die/das article for more than half of all German nouns, and test your skills on 6000 of most popular ones. Features rules of various complexity, for different knowledge levels.

Discuss a video / news / essay topic, and get your response grammar checked. A one stop exercise for multiple modalities of communication in German. Features a speech-to-text conversion for audio responses!

Use mnemonics to memorize words? Try out automated generation of mnemonics - spend less time learning, and minimize number of elements in mnemonic.

Train yourself in proper German grammar. Features automatically generated exercises, based on 80k phrases scraped from openly available resources online of German.

A detailed guide towards the grammar of German language.

Write a text on an open topic, and check it for correct grammar usage.

A great resource about learning German (and other languages), with many useful links.