Resources I've used and recommend to everyone

Grammar explanations

https://www.germanveryeasy.com/

http://germanforenglishspeakers.com/

Vocabulary explanations

https://yourdailygerman.com/

To memorise vocabulary

A1-B1

https://www.memrise.com/course/1098512/german-1/

https://www.memrise.com/course/1098513/german-2/

https://www.memrise.com/course/1098514/german-3/

https://www.memrise.com/course/1098515/german-4/

https://www.memrise.com/course/1098516/german-5/

https://www.memrise.com/course/1098517/german-6/

https://www.memrise.com/course/1098518/german-7/

B2-C2

https://www.memrise.com/course/1353153/deutsch-for-b2c1c2/

YouTube Channels

German with Jenny https://www.youtube.com/channel/UClBrbJXNh2sFxOuvH4o5H9g

Easy German https://www.youtube.com/channel/UCbxb2fqe9oNgglAoYqsYOtQ

Series

Dark https://www.imdb.com/title/tt5753856/

Babylon Berlin https://www.imdb.com/title/tt4378376/

Films (some nice lists)

https://www.imdb.com/list/ls066293858/

https://www.imdb.com/list/ls057053919/

http://mubi.com/lists/german-expressionism-the-world-of-light-and-shadow

(Tip: search more lists in these 2 sites, they're brilliant)

I'll add more resources if I find something new