The Block List Project
https://blocklistproject.github.io/Lists/porn.txt
+/- 500.000

Steven Black:
https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/porn/hosts
+/- 200.000

Mahandi Xion:
https://raw.githubusercontent.com/mhxion/pornaway/master/hosts/porn_sites.txt
+/- 30.000

Sinfonietta:
https://raw.githubusercontent.com/Sinfonietta/hostfiles/master/pornography-hosts
+/- 20.000

OISD - NFSW:
https://dblw.oisd.nl/nsfwbig/
+/- 280.000

Porn Away:
https://raw.githubusercontent.com/mhxion/pornaway/master/hosts/porn_sites.txt
+/- 32.000