Bitdefender Antivirus is described as 'Bitdefender comes with real time scanning that is called Virus Shield and an auto-scan mode that checks your system when the computer is idle. Game mode is fully automated and will be enabled when it detects a full screen application running' and is a popular app in the Security & Privacy category. There are more than 25 alternatives to Bitdefender Antivirus for a variety of platforms, including Windows, Mac, Android, Linux and Android Tablet. The best alternative is Microsoft Defender, which is free. Other great apps like Bitdefender Antivirus are Avast Free Antivirus (Free Personal), Clam AntiVirus (Free, Open Source), Avira Antivirus (Freemium) and Kaspersky AntiVirus (Freemium).
Avast Free Antivirus a the free for non-commercial and home usage antivirus solution from AVAST Software. The program features intuitive, advanced and customizable scanning methods along with other modules dedicated to computer safety.
Avira Free Antivirus offers basic protection for your computer against dangerous viruses, worms, spy-ware, trojans and costly dialers. Premium version includes MailGuard (POP3 and SMTP) and WebGuard for safe surfing.
Kaspersky AntiVirus offers protection from a range of IT threats and provides the basic tools needed to keep your PC secure. Premium features include: Parental Control, Online Payment Protection and Secure Connection (VPN).
ESET NOD32 Antivirus is an innovative host-based intrusion prevention system that offers a comprehensive scanning solution. Most importantly, it will not slow down your PC, it's easy to use, and easy to install.
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.
[Please note that ClamWin Free Antivirus does not include an on-access real-time scanner. You need to manually scan a file in order to detect a virus or spyware.] ClamWin Free Antivirus comes with an easy installer and open source code.
HitmanPro (formerly Hitman Pro) is an on-demand malware scanner and removal tool. It will usually do a full-system scan significantly faster than other (traditional) solutions due to its cloud-based scan technique.
Immunet FREE Antivirus is the lightest anti-virus application, providing the fast protection against new viruses, because it protects through the cloud using the ClamAV engine. Install/Hardisk-Filesize: 5/10 MB.