number blocks

STOPzilla successfully scans, removes and blocks Spyware, Adware, Pop-up ads.

Free scan and with AntiVirus removes and blocks spyware and viruses

Converts HTML Files and Blocks to any Script, encrypts email addresses.

BartWare Personal Firewall is a freeware firewall that blocks unwanted traffic.

Universal user-friendly program that filters and blocks ads in any application.

An ultimate personal firewall that blocks hackers and unauthorized users.

BlockAD blocks ads inside Web pages.

3D Tumbling Tower of blocks. Real Physics Engine. Different Each Time.

Spam Crusher Enterprise is a server side spam filter blocks unwanted email.

Protowall is a lightweight program that blocks thousands of bad IP addresses