POP-UP AD BLOCKERS

Guidescope
This free service helps you take control of the Web by blocking out ads you don't want.

PopUp Stopper
Eliminate irrating pop-up windows with this free program.

WebWasher
WebWasher is a free utility that filters out unwanted advertising and protects the surfer's privacy by filtering cookies.
More >>

SPAM BLOCKERS (SPAM is unsolicted E-mail)

MailWasher
MailWasher is a free E-mail checker with effective spam elimination. Discover the safe way to stop unwanted viruses and e-mails before they get to your computer.

SpamNet
SpamNet Outlook add-in saves you time and frustration by stopping spam automatically. The service is free and easy to use. Spend time reading email not deleting unwanted spam messages.
More >> FIREWALLS

How Firewalls Work

ZoneAlarm
If you have DSL or a cable modem, your IP address is permanent. Although this has benefits, it also carries the serious shortcoming of rendering your PC vulnerable to attacks. A firewall, in this respect, becomes not just desirable but a necessity. ZoneAlarm is a top choice, and best of all, the basic version is free.
More >>

SPYWARE/PRIVACY MONITOR
Ad-aware
Ad-aware is a free multi spyware removal utility that scans your memory, registry and hard drives for known spyware and scumware components and lets you remove them safely.

Privacy Bird
AT&T Privacy Bird is a free utility that automatically searches for privacy policies at every website you visit. You can tell the software about your privacy concerns, and it will tell you whether each site's policies match your personal privacy preferences. The software displays a green bird icon at Web sites that match, and a red bird icon at sites that do not.

OTHER RESOURCES

JunkBusters
JunkBusters is a comprehensive collection of information about all types of junk messages - E-mail, telemarketing calls, junk mail, junk faxes, Web and pop-up ads, etc. - and how to stop them.