Most interesting free and opensource software of the month:
ScanTransfer is a multilanguage Windows software (portable version is also available) to easily transfer photos and videos via wireless from your Phone (iOS 9.0+ or Android Chrome 59+ required) to the PC by simply scanning a QR Code. No need to install any new app on the phone.
Registry Live Watch allows to monitor live changes in the Windows registry.
True Key by Intel is a password manager available for Windows, Mac OS X, iOS, Android. The free version allows to save 15 passwords.
UserBenchmark is a software that allows to test your PC hardware components.
NoBot is a portable software that allows to remove malware.
Ashampoo Spectre Meltdown CPU Checker instant vulnerability check for Spectre and Meltdown, it requires Windows 7 / 8 / 8.1 / 10.