The Best Open Source Avast Free Antivirus AlternativesTop Anti-Malware & Anti-Virus Apps like Avast Free Antivirus

The best open source alternative to Avast Free Antivirus is ClamAV. If that doesn't suit you, our users have ranked more than 100 alternatives to Avast Free Antivirus and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Avast Free Antivirus are Tron Script, ClamWin, ClamTk and LoveLaceAV.

filter to find the best alternatives

Avast Free Antivirus alternatives are mainly Anti-Virus Apps, but if you're looking for Anti-Malware Apps or System Cleaners you can filter on that. Other popular filters include Android + Free, Open Source, Windows, Free and Mac + Open Source. These are just examples - use the filter bar below to find more specific alternatives to Avast Free Antivirus.
Copy a direct link to this comment to your clipboard
Alternatives
Get a badge for your siteAvast Free Antivirus alternatives page was last updated

Alternatives list

  1. ClamAV icon
     257 likes

    Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic...

    102 ClamAV alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    Good alternative?
     
  2. Tron Script icon
     35 likes

    Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
    Good alternative?
     
  3. ClamWin icon
     123 likes

    ClamWin is a free, open-source antivirus software for Microsoft Windows, using the ClamAV engine. It has an easy-to-use installer and its source code is publicly available. It features high detection rates for viruses and spyware, a scanning scheduler, and automatic updates of...

    66 ClamWin alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • PortableApps.com
    Good alternative?
     
    |
    1
  4. ClamTk icon
     78 likes

    ClamTk is a graphical front-end for ClamAV, an open source antivirus engine for detecting trojans, viruses, malware & other malicious threats. It is designed to be an easy-to-use, lightweight, on-demand antivirus scanner for Linux systems.

    63 ClamTk alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    Good alternative?
     
  5. LoveLaceAV icon
     10 likes

    LoveLaceAV is a Hypatia fork, FOSS malware scanner for Android. It is powered by ClamAV style signature databases.

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
    Good alternative?
     
  6. Hypatia is the world's first FOSS malware scanner for Android. It is powered by ClamAV style signature databases.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Good alternative?
     
  7. x2y AV Ultimate is a professional-grade security utility developed by x2y devs tools. It delivers genuine, non-AI, production-level system protection by utilizing a Hybrid Architecture to execute privileged system checks, real-time file monitoring, and advanced malware persistence analysis

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Alerts

    • Warning

    Platforms

    • Windows
    Good alternative?
     
  8. Kapitano icon
     4 likes

    I be Kapitano, yer fearless captain o' the digital seas — a trusty malware hunter set to keep yer Linux shipshape from foul threats!

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Good alternative?
     
  9. LibreAV icon
     5 likes

    Anti-malware for Android using machine learning. Contribute to projectmatris/antimalwareapp development by creating an account on GitHub.

    79 LibreAV alternatives

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Android
    • Android Tablet
    Good alternative?
     
  10. Raspirus icon
     1 like

    Sometimes you work on a computer that is not connected to the internet. It even has no antivirus installed, and you guess you are safe. But it could be used by a lot of people that upload and download files using their personal USB sticks.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  11. Download Virus Checker provides automatic check for all your downloads through 68 online anti-virus solutions. Basically the extension sends your download link to VirusTotal service and wait for its response.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Opera
    • Firefox
    Good alternative?
     
  12. CS Anti-Virus icon
     2 likes

    Provide real time shield, process/memory scanner, file/path scanner, scheduled scans, automatic daily update and use the ClamAV database with over 720.000 virus signatures. CS Anti-Virus with the ClamAV engine is FREE. (GNU/GPL license).

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
12 of 15 Avast Free Antivirus alternatives