Contributors to this thread:

Fediverse! Where do you buy #audiobooks? Preferably #DRM-free. I am looking for audio|#books in #german & #english

I found following (german) plattforms to buy and download audiobooks from:
1. Der Audio Verlag
2. Hugendubel
3. Thalia
4. Vorleser
5. WDR Audiobooks
6. BR Audiobooks
7. SWR Audiobooks
8. SR Audiobooks
9. HR Audiobooks
10. NDR Audiobooks
11. MDR Audiobooks
12. RBB Audiobooks
13. ARD Audiobooks (typically highlights of 5-12)
14. Lübbe Audiobooks

Plattforms to buy English audiobooks:
1. Chirpbooks