Most interesting free and opensource software of January:
QILING Disk Master Free is an all-in-one hard drive backup and management software for Windows that offers backup tools, disk health information and options to create and manage virtual disks including RAM disks. Has a simple and minimal interface.
Secure Folders can be used to hide or lock folders, set them to read-only or block the execution of files. It’s available in two versions: as a portable version and installer.
Infinit allows to send and receive files of any size. It’s available both for PC and Mac.
Passcape ISO Burner allows to burn ISO images, decompress them in a folder, create bootable USB disk.