Newznab Classic
Newznab is a usenet indexing application, that makes building a usenet community easy.
15 Alternatives To Newznab Classic
BiNZB
A newsnab based usenet newsgroups NZB indexer.
Binsearch
Search and browse binary usenet newsgroups.
Cardigann
Cardigann is a torznab proxy search similar to Jackett but written in Go language.

DogNZB
A newznab based Usenet newsgroups indexer. Access by invite only.
FTD
FTD is a software client and community built around Usenet.

NZBHydra2
NZBHydra2 is a meta search for NZB indexers.
NZBIndex
NZBIndex offers a fantastic and free support of help you look Usenet.
NZBgeek
A Usenet newsgroups NZB Indexer.
Newzleech
Usenet binaries search engine with NZB
Spotnet
This page contains some information about Spotnet.
Spotweb
Spotweb is a decentralized usenet community based on the Spotnet protocol.

Usenet-Crawler
Usenet-Crawler is a usenet indexing site helping you to quickly download nzbs.
nnplus
nnplus is an nzbs.org clone PHP/Smarty application, which supports the indexing of usenet headers…
nzbplanet
Search and download the latest NZB files from Usenet

nzbwolf
Usenet indexer to find and download nzb files throw a modern webbased app with lots of preview…