https://ru.wikipedia.org/wiki/Usenet
    nntp access
    one-to-many

https://www.reddit.com/r/usenet/

providers
https://www.usenet.com/

????
https://www.linux.org.ru/forum/general/13864240
    was even before internet
https://dtf.ru/howto/76926-kak-polzovatsya-setyu-usenet
2017
https://habr.com/ru/articles/318400/
    ! indexers

https://sabnzbd.org/

https://nzbget.net/
https://nzbget.net/documentation
https://github.com/nzbget/nzbget
    ! archived

2024
https://www.rapidseedbox.com/blog/guide-to-usenet
https://www.rapidseedbox.com/ru/blog/what-is-usenet