Unlike many competitors that lock all recovery features behind a paywall, DiskDigger is distributed as with a unique "unregistered" mode.
DiskDigger is completely free to use on Linux systems. The Risks of "Exclusive" Free License Keys diskdigger exclusive free license key
On Windows, the "free" version of DiskDigger is not a timed trial. It allows you to scan your drives and preview files indefinitely. Unlike many competitors that lock all recovery features