Open Source Avast Free Antivirus Alternatives

The best open source alternative to Avast Free Antivirus is Clam AntiVirus. 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, ClamTk, ClamWin and Hypatia Malware Scanner.

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Avast Free Antivirus alternatives are mainly Anti-Virus Apps but may also be Anti-Malware Apps or System Cleaners. Other popular filters includes Android + Free and Windows + Free and Mac + Open Source. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Avast Free Antivirus.

Avast Free Antivirus

812

Anti-Malware App
Free Personal • Proprietary

Avast Free Antivirus a the free for non-commercial and home usage antivirus solution from AVAST Software.

More about Avast Free Antivirus

Avast Free Antivirus alternatives page was last updated Oct 8, 2024

Winpooch Watchdog
Winpooch is a watchdog for Windows (2000, XP, 2003, but only 32-bits). It detects modifications in your system, so as to detect a trojan or a spyware installation. It also includes a real-time anti-virus.
81 Winpooch Watchdog alternatives
License model
- Free • Open Source
Application type
- Anti-Virus App
Platforms
- Windows
Discontinued
As of 2008-06-13, this project is no longer under active development. Winpooch can be still downloaded from SourceForge.

Winpooch Watchdog VS Avast Free Antivirus
Is Winpooch Watchdog a good alternative to Avast Free Antivirus?

Clam Sentinel
Clam Sentinel is a system tray application that detects file system changes and scans modified files using ClamWin . It also detects new devices (like USB flash drive) and monitors them until the program is closed or until the device is...
14 Clam Sentinel alternatives
License model
- Free • Open Source
Application type
- Anti-Virus App
Platforms
- Windows
Clam Sentinel Features
Sits in the System Tray
Monitor FileSystem Changes
Scanner
Show all NaN Clam Sentinel features ▾
Discontinued
The program is no longer updated. Last version, 1.22, released in July 2014, can be still downloaded from the official website.

Clam Sentinel VS Avast Free Antivirus
Is Clam Sentinel a good alternative to Avast Free Antivirus?

CS Anti-Virus
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).
65 CS Anti-Virus alternatives
License model
- Free • Open Source
Application type
- Anti-Virus App
Platforms
- Windows
CS Anti-Virus Features
Scanner
Show all NaN CS Anti-Virus features ▾
+2
Discontinued
The program is no longer updated. Last version, 0.1.2b, released in April 2010, can be still downloaded from the official website.

CS Anti-Virus VS Avast Free Antivirus
Is CS Anti-Virus a good alternative to Avast Free Antivirus?

Raspirus
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.
6 Raspirus alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
Raspirus Features
Ad-free
Rust
Cross-Platform
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Raspirus VS Avast Free Antivirus
Is Raspirus a good alternative to Avast Free Antivirus?

TechnologyCounter
Technology Counter in its job has keenly observed the struggles what small industries have gone through with their selection of technology and we are committed to helping them in their hustle.
4 TechnologyCounter alternatives
License model
- Free • Open Source
Platforms
- Online
TechnologyCounter VS Avast Free Antivirus
Is TechnologyCounter a good alternative to Avast Free Antivirus?

AntiSpy
AntiSpy is a free but powerful anti virus and rootkits toolkit.It offers you the ability with the highest privileges that can detect,analyze and restore various kernel modifications and hooks.
83 AntiSpy alternatives
License model
- Free • Open Source
Application type
- Anti-Virus App
Platforms
- Windows
AntiSpy Features
Hex Editor
Disassembler
Registry Editor
Built-in File Manager
Show all NaN AntiSpy features ▾
+2
Discontinued
The last update is from 2021.

AntiSpy VS Avast Free Antivirus
Is AntiSpy a good alternative to Avast Free Antivirus?