Common Questions about Usenet, NZB, RAR, PAR files; yEnc and UUEncoding. It is also good and not expensive Usenet provider.

Slyck's Guide to The Newsgroups. Everything you need to know about .NFO, .RAR, .PAR and .PAR2 files. Great source of information about news servers, binary newsgroups, multipart files posting, downloading and reconstruction, Usenet utilities, etc.

AntiFirewall by iNetPrivacy Software. Used to get around Firewalls that block NNTP (port 119) traffic.

Usenet Providers. List of Usenet providers, including newsservers located outside of United States, plus a great deal of interesting articles about Traceroute, choosing Usenet provider, yEncoding and other issues written by Jeremy Nixon.

Jetico BestCrypt. The best on the market "on-the-fly" file encryption and disk wiping tool, capable of Windows swap file encryption! It protects files stored on your PC from unauthorized access by organizing data in securely encrypted containers. When mounted (decrypted) such containers can be accessed as regular virtual drives.

TrueCrypt is free alternative to BestCrypt.

Shields UP! — Internet Vulnerability Profiling test which shows how your computer is protected against hackers. Here you will find information on how to block pop-up spam messages (Shoot The Messenger) and links to some interesting free network tools.

ZoneAlarm firewall protects your computer from hacker's attacks. It has free, yet powerful version for everybody, as well as more complicated commercial editions.

Tor. In short this program (SOCKS proxy server and supporting logic) lets you work with any Internet service through a chain of SOCKS proxies around the world. It may be used if you need to hide your real IP address (see Shields UP! test above) for privacy reasons. AmiPic ShareMaster natively supports Tor and SOCKS5.