- MalwareBytes Free detects and removes malware
- SuperAntiSpyware Free detects and removes malware
- CCleaner Clean your hard disk
- SpyBot Free detect and remove malware
- ClamWin Free open source anti virus for Windows
- Symantec Security Check Free Tests your exposure to online threats
- Girosoft AVG Anti-virus Free for home use
- Avira Free AV Free for home use
- Avast Home Edition Free for home use
- Softwin BitDefender FE Free for home use
- Free Anti Virus Software Free List of several free antivirus programs
- Zone Alarm Firewall Free for Home Use!
- DSLReports - Test the security of your computer's ports!
- Shields Up - Test the security of your Internet connection!