R-Firewall   
http://freedownloads.awardspace.com

R-Firewall is an effective and easy-to-use solution to secure your on-line activity. It protects a computer connected to a local network and/or to the Internet against any intrusions, attacks, trojans, spyware, and other external and internal threats. R-Firewall also filters out inappropriate Internet pages content and blocks dangerous active components you may get while browsing over the Internet or receiving e-mail massages. Automatic configuration during setup allows you securely surf the Internet right after the software installation. Mobile users can create multiple and easily switchable configurations for specific network environments (Internet surfing at home, office local networks, or public Wi-Fi spots).

IMterrupt Professional   
http://www.imterrupt.com

IMterrupt controls and blocks access to Instant Messaging and peer to peer services that waste time and compromise computer security. Free trial version available - sets up in less than a minute. Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and more. Have you wasted time, money and productivity coping with computer viruses, bugs and "malware" that your employees brought into the business from internet chatting, exchanging files online, or browsing the web? Say good-bye to the risks, stress and hassles of uncontrolled internet usage with IMLock Professional, a new product from Comvigo, Inc., an internet security company. IMterrupt Professional gives you control and peace of mind. IMterrupt Professional is quickly and easily installed directly onto your business's computer workstations to effectively block and control the most widely used instant messaging programs. You can also block popular peer-to-peer file sharing programs, and individual web sites. A simple password that you set gives you the ability to block access to chat, web sites and file sharing all of the time, or according to a schedule of your choosing. IMterrupt Professional is a complement to your company's existing Internet firewalls and anti-virus measures. Firewalls and anti-virus programs alone can't stop a persistent user who wants to chat, trade files, or visit disallowed web sites. Only IMterrupt can stop this waste and risk at the source - the user's computer. IMterrupt Professional runs on Windows XP, NT and 2000 computers. A single user license costs only $49.