Avira Free Security An effective and fast antivirus program that provides protection against known web threats, different types of malware, viruses and trojans and a built-in firewall.
Avira Free System SpeedUp Includes a bunch of tools for optimizing performance of a PC like fixing registry errors, improving privacy browsing the web and removing junk files from Windows systems.
Recuva Powerful file and data recovery app that has robust methods for retrieving files and folders which have been purposely or accidentally deleted, even from the Recycle Bin.