Probably the world’s first and only open source antivirus, Calmwin free antivirus has most ‘calm’ interface and ability to run in background without being a memory hog. They define their product as:
- High detection rates for viruses and spyware
- Scanning Scheduler
- Automatic downloads of regularly updated Virus Database.
- Standalone virus scanner and right-click menu integration to Microsoft Windows Explorer;
- Addin to Microsoft Outlook to remove virus-infected attachments automatically.
- Please note that ClamWin Free Antivirus does not include an on-access real-time scanner, that is, you need to manually scan a file in order to detect a virus or spyware. Also, ClamWin Portable has scheduled scans and updates disabled as they are not used in a portable scenario.
