Websites:
* The German Project: https://www.thegermanproject.com
* Readlang: http://readlang.com
* Verbformen (verb conjugation): https://www.verbformen.com
* Pons (dictionary): https://en.pons.com/translate
* DW Deutsch Kurse: http://www.dw.com/en/learn-german/german-courses/s-2547
* Forvo (learn how any word is pronounced: https://forvo.com/languages/de/
Audio/Video:
* Librivox German: https://librivox.org/search?primary_key=3&search_category=language&search_page=1&search_form=get_results
* Slow German: https://www.youtube.com/channel/UCXntXBt2YKBO1xDni0EgjXA
* Easy German: https://www.youtube.com/results?search_query=easy+german
* Deutschland Radio: http://www.deutschlandradio.de
* Dank (German TV and radio): http://www.dank.org/tv/
Reading:
* Deutsche Welle: http://www.dw.com/de/themen/s-9077
* Project Gutenberg: http://www.gutenberg.org/wiki/Category:DE_Bücherregal
* Deutsch Perfekt: https://www.deutsch-perfekt.com
* Children’s Books Forever: http://www.childrensbooksforever.com/childrenpages/German1.html
Language Exchange Forums:
* Reddit German: https://www.reddit.com/r/German/
* StackExchange German: https://german.stackexchange.com
* Lang-8 (have your writing checked by a native speaker): http://lang-8.com
* Goethe Institut: https://www.goethe.de/en/spr/ueb.html
* WeSpeke German: http://en-us.wespeke.com/learn-languages-online/learn-german.html
* HelloTalk (iOS and Android app): https://www.hellotalk.com