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Top 5 Open Source antivirus and totally free


Antivirus software has made us feel comfortable using mobile phones, tablets and computers. Allows us to browse safely on the network without fear of posting our private information to others (or for any virus reason). Antivirus software is also known as anti-malware software, computer software used to prevent, detect, and remove malware. It can protect your computer from ransomware, keyloggers, backdoors, trojan horses, worms, fraud tools, adware, fraud tools, etc.

Some protection programs also include protection against other computer threats such as spam, online banking attacks, malicious URLs, phishing campaigns, phishing attacks, online identity (privacy), social engineering techniques, advanced persistent threats (APT), and DDoS attacks.

Below is a list of the top five open source tools from AntiVirus that are completely free and lightweight. This can help you, whether you're a beginner or an advanced user, keep your computers safe and avoid viruses from infecting your important files.


This open-source anti-virus program was established on August 30, 2000. Its features include VirusHammer, a standalone virus scan program, and projects include ScannerDaemon and PatternFinder that provide antivirus and Squid-vscan that letyou check all traffic that passes through HTTP-Proxy.

2. ClamAV

ClamAV AntiVirus or ClamAV is a free, open source software toolkit written in C and C++ licensed under gnu's general public license. Released on April 9, 2018, for Unix. It also has an external version available for AIX, BSD, HP-UX, Linux, macOS, OpenVMS, OSF (Tru64), and Solaris. It can detect many types of viruses and malware and you can use this on mail servers as a server-side e-mail virus scanner.

Starting with version 0.97.5, ClamAV runs Microsoft Windows and can be downloaded for free. ClamAV includes a number of utilities such as a command-line scanner, an automatic database updater, and scalable hidden software, running an anti-virus engine from a shared library.

3. ClamWin

ClamWin is, of course, a free and open source antivirus tool for your Windows operating system written with C++ and Python that provides a graphical user interface for clam AntiVirus engine. Licensed under gnu general license. Its features include scanning scheduling when the user logs in, automatic virus database updates, and a standalone virus scanner with context menu integration for Windows Explorer.

4. Armadito 

Armadito Antivirus is an open source antivirus tool for your servers and computers. It protects your systems from viruses and malware and provides solutions available for Windows devices. It is created using a web-based central management controller that can be used remotely from anywhere via an easy-to-use interface that provides access to a lot of features. Its control panel provides access to on-demand scan, real-time protection, threat detection, technical support and more.

5. Moon Secure AV

Moon Secure AV is another open source tool that uses clamav antivirus tool. This detection of viruses, trojans and spyware is designed like any antivirus program. Moon Secure AV provides multiple access, scanning engines, firewall, plus features found in commercial antivirus software.

Its features also include on-demand malware scan, real-time protection, live updates, low resource uses and operation on all Windows XP+ operating systems, and protection of application operation from USB devices and auto-operations.