Binindex
Binary newsgroup search engine. Allows creation of NZB files. A watchlist, an RSS feed as well as a NFO database that can be searched are also available.
http://www.binindex.net/

Binsearch
Binary content search engine. Allows creation of NZB files. Also features a watchlist, an RSS feed as well as a NFO database that can be searched, and supports SSL encryption to protect users' privacy.
http://www.binsearch.info/

BinTube.com
Binary newsgroup search engine. Features NZB file creation, NFO display and RSS feeds.
http://www.bintube.com/

Newzbin
Hand edited, searchable archive of Usenet binary content from the creators of the NZB Format.
http://www.newzbin.com/

Newzleech
Searchable archive of Usenet binary content, also provides NFO and user created NZB files.
http://www.newzleech.com/

Ngindex.com
Searchable index of Usenet binary content, also provides NFO files. Subscription service allows NZB files and image gallery.
http://www.ngindex.com/

NZBFile.com
Binary Usenet search engine with NZB creator.
http://www.nzbfile.com/

NZBSites.com
Listing of NZB sites, showing the availability of RSS feed and/or forum per site.
http://www.nzbsites.com/

NZBSource.com
Maintains a list of links to NZB search engines and indexers.
http://www.nzbsource.com/

NZB4U
Subscription based service, allows search of Usenet binary content and creation of NZB files.
http://www.nzb4u.com/

Newsbin.com: NZB Guide
User-friendly description of NZB files widely used in binary newsgroups, non exhaustive list of NZB compatible newsreaders and technical details of this open format for developers.
http://docs.newzbin.com/index.php/Newzbin:NZB_Guide

MegaNZB
Searchable archive of Usenet binary content and NZB downloads, also provides .nfo descriptions, RSS feeds and newly release NZB tracking.
http://www.meganzb.com/

Magnatic's Usenet Indexer
Binary newsgroup search engine with a light, simple interface featuring NZB file creation. Also allows browsing individual groups.
http://www.magnatic.com/

NZBs.org
Automated binary newsgroup indexer.
http://www.nzbs.org/

GoNZB.com
Search engine that allows NZB file generation from usenet posts. Also features RSS feeds, advanced multicriteria search and personalization.
http://www.gonzb.com/

.GotNZB
Categorizations of NZB's and search. User forum.
http://www.gotnzb.com/

NZB Matrix
Searchable archive of Usenet binary content, also provides NFO and user created NZB files along with an associated IRC server and an RSS feed. A one time donation is necessary to access all features.
http://nzbmatrix.com/

NNTPSearch
Automated binary newsgroup indexer featuring advanced search options, NZB creation, an RSS feed, and search plug-ins for Internet Explorer and Firefox.
http://www.nntpsearch.nl/

NFONews.com
Binary newsgroup search engine with NZB and NFO support. Also includes a short tutorial.
http://www.nfonews.com/

NZBsRus.com
Binary newsgroup search engine, also features a RSS feed, forums and an IRC chat server. Requires free registration.
http://www.nzbsrus.com/

NZBIndex.nl
Binary newsgroup search engine. Allows creation of NZB files. An RSS feed that can be used as a watchlist is also available.
http://www.nzbindex.nl/