Tencent PC Manager is described as 'Free security protection' and is an app in the Security & Privacy category. There are more than 10 alternatives to Tencent PC Manager for a variety of platforms, including Windows, Mac, Android, iPhone and Linux. The best alternative is Microsoft Defender, which is free. Other great apps like Tencent PC Manager are Avast Free Antivirus (Free Personal), Clam AntiVirus (Free, Open Source), Avira Antivirus (Freemium) and ClamWin (Free, Open Source).
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.
[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.
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.
Panda Antivirus protects you while you work, play, or browse online. Antivirus Protection Real-time protection against all types of malware and spyware. Schedule periodic scans and/or scan your computer on demand.
KicomAV is an open source (GPL v2) antivirus engine designed for detecting malware and disinfecting it. In fact, Since 1995, it has been written in C/C++ and it was integrated into the ViRobot engine of HAURI, 1998. I decided to re-create a new KicomAV.