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Checksum Checker is a part of the Digital Preservation Platform from the National Archives of Australia. It calculates checksums of stored objects and compares them with entries in a database created by Digital Preservation Recorder.
NO LONGER MAINTAINED, NO LONGER SUPPORTED
Python app to create plain text manifest from files
Manifest Maker is a graphical Python application which takes a file or group of files and creates a plain text manifest list of each item. The manifest includes the file name (including directory structure) as well as a checksum of the file. (No longer maintained)
...Up to 254 stations can be defined, and any one station can send commands and messages to any other station. Messages are in the form of small packets including a header section, data section, and checksum.
Now also includes a C library for Linux to communicate between a PC or Pi and Arduino.