Free & Open-Source Avira Prime Alternatives

All-in-one premium security suite.

1. ClamAV ↗ FOSSPRIVATE
   Open-source antivirus engine — mostly server-side.
   ●●○Medium · Different UI, similar features
2. ClamTk ↗ FOSSPRIVATE
   GUI front-end for ClamAV on Linux.
   ●●○Medium · Different UI, similar features
3. Microsoft Defender ↗
   Built-in Windows antivirus — solid baseline.
   ●●○Medium · Different UI, similar features