Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
The WendzelNNTPd is an IPv6-ready Usenet-server (NNTP daemon) with the main goal of a high usability. It is portable (Linux/*BSD/*nix), supports AUTHINFO authentication, contains ACL as well as role based ACL and supports invisible newsgroups. It currently supports MySQL and SQLite backends.