PhotoRec and TestDisk are excellent free, open-source alternatives. While they lack a graphical interface, they often succeed where other tools fail.
If a file has been partially or fully overwritten by new data, Recuva cannot repair or restore it to its original state. Partition Visibility: Recuva pro version
For the average home user, the free version is often sufficient. It allows for: Unlimited data recovery. Deep scanning of external drives, SD cards, and USB drives. Secure deletion of files. PhotoRec and TestDisk are excellent free