Editors scour all of ZDNet to bring the best tips, how-to`s, downloads, and quick-fixes for your computing needs.

Newsletter published three times a week for new and intermediate users, focusing on Windows technologies. Online archives.

What you need to know about all things PC; a free electronic newsletter

Groups for IT problem-solving and decision-making.

Offers a directory of IT-related newsletters. Users can view samples of newsletters, subscribe and unsubscribe and see how others rate individual newsletters.

Bi-monthly email newsletter offering tips on computers and the Internet.

Periodic newsletter offering short descriptions of software products.

An e-mail information delivery service providing product announcements, special offers, discounts and freebies from major IT vendors.

A daily double-dose of current tech news and an examination of its impact on online learning.

Searchable real-time updated archive of major security lists and newsgroups, including Cert, Securiteam, Linuxsecurity, VulnWatch, Full-Disclosure, Bugtraq, Incidents, Securityfocus, and several Usenet groups.

Directory of Java-related mailing lists available from Sun.

A collection of archives of Open Source Java project mailing list. Lists include Tomcat, JBoss, Struts, iText.

For the technical and functional discussion of Java.

Website run by Fyodor of the NMAP project, a collection of security lists.

A collection of popular Java Open Source project mailing list archives, including Cocoon, Maven, Ant, Axis, Fop, Lucene, POI, Log4J.

Jakob Nielsen`s bi-weekly column on current issues in Web usability, focusing on simple and minimalist design based on real user needs.

A moderated mailing list about net criticism.

Forum on risks to the public in computers and related systems.

Directory of Java-related mailing lists from Yahoo, on topics from certification and development, to user group specific.

Mailing list for computer tips and tricks

Searchable archives of Check Point FireWall-1 mailing list and online discussion

Plain spoken e-business newsletter covering selling, marketing and design strategies.