Newspapers
https://www.n-tv.de/ includes videos
https://www.tagesschau.de/ includes videos
Information, articles, and links related to periodicals published in German - in print and online.
https://www.thoughtco.com/german-4133073
Goethe Institute
https://www.goethe.de/en/index.html
Exercises from my favorite textbook: April Wilson's German Quickly
https://www.quia.com/pages/germanquickly.html
word lists
https://www.germanpod101.com/german-word-lists/?coreX=100
19th-Century German Stories
https://germanstories.vcu.edu/
for children:
https://www.enchantedlearning.com/themes/german.shtml