Free & Open-Source G DATA Total Security Alternatives

German all-round security suite.

1. ClamAV ↗ FOSSPRIVATE
   Open-source antivirus engine — mostly server-side.
   ●●○Medium · Different UI, similar features
2. Microsoft Defender ↗
   Built-in Windows antivirus — solid baseline.
   ●●○Medium · Different UI, similar features
3. Bitdefender Free ↗ PRIVATE
   Free tier of Bitdefender antivirus.
   ●●○Medium · Different UI, similar features