Blocklists

IPV4 Version

Blocklist in Hosts format to use in a /etc/hosts file or pihole.
Blocklist in Dnsmasq format to use with the dnsmasq DNS server software.

IPV6 Version

Blocklist in Hosts format to use in a /etc/hosts file or pihole.
Blocklist in Dnsmasq format to use with the dnsmasq DNS server software.

AdBlock Plus syntax

Blocklist in AdBlock format to use with Adblocker (uBlock Origin, Adguard) or Adguard Home.

Other useful lists

Jmdugan Blocklists and consider blocking Twitter, YouTube and Facebook since they publish to many fakenews.
Antifa-n Blocklist is a great blocklist also, focused more on fascist sites.