Security
Anti-Spyware and Anti-Virus Software
- Windows Defender Microsoft Windows
- SUPERAntiSpyware SUPERAntiSpyware Windows
- Malwarebytes' Anti-Malware Malwarebytes Windows
- avast! Antivirus ALWIL Software Windows
- Avira AntiVir Avira GmbH Windows | Linux
- AVG Anti-Virus Free AVG Technologies, formerly Grisoft Windows
- Ad-Aware Lavasoft Windows
- ClamXav Mark Allan Mac
- SpywareBlaster Javacool Software Windows
- Spybot - Search & Destroy Safer Networking Ltd. Windows
- Spyware Terminator Crawler Windows
- Spyware Doctor PC Tools Windows
- a-squared Free Emsi Software Windows
Firewall Software
- Outpost Firewall Agnitum Windows
- Jammer Agnitum Windows
- ZoneAlarm ZoneLabs Windows
Anti-Virus Software
- McAfee VirusScan Network Associates Windows
- Norton AntiVirus Symantec Windows