Deutsche Welle - Deutsch lernen. Podcasts & Newsletters for practicing German, A1 - C1

Nachrichten leicht. Reviews of the week's news in simplified German for learners (Skill: Reading)

Deutsche Welle - Langsam gesprochenen Nachrichten. News, but spoken slower for easier comprehension (Skill: Listening)

Schubert Verlag - Online Aufgaben & Übungen. Worksheets, exercises, and links, A1 - C2

Grammatikübungen online. Online practice, A1 - C1, Letters, speech elements (Skill: Grammar, Writing)

Goethe Institut. Comprehensive collection of practice material and tests for A1-C2 (Skills: Listening, Reading, Speaking and Writing)

BBC Learning English. Comprehensive website with podcasts, lessons, exercises, and other resources for studying English. 

ISL Collective. English as a foreign language study materials, videos, and exercises. 

British Council. Comprehensive collection of practice material and tests for A1-C2 (Skills: Listening, Reading, Speaking and Writing)

Sounds of Speech. Skill: Pronunciation. University of Iowa shows how sounds are made with videos. Available for sounds of German & Spanish on their website, English via App.

NameCoach. Tell others how to correctly pronounce your name and include a name badge in your email signature.