Arpoon Checksum 1.6

Arpoon Checksum computes checksums of files. A checksum (message digest, hash value) is a kind of fingerprint that enables to uniquely identify a file or document. This can be used for authentication purposes or to track document modifications.

PC Usage Viewer 1.0

PC Usage Viewer shows the times your computer has been active with no previous setup required. The software doesn't need to run in the background, because Windows tracks login and logoff times (working hours) by default, and the program analyses it.