Frequently Asked Questions



Why is Checksum Checker freely available?

The National Archives of Australia has licensed Checksum Checker under the GNU General Public License version 3 (the GPLv3). Under the terms of the GPL, you are permitted to modify and redistribute the Checksum Checker code. You are free to copy and re-use both the source code and the finished Checksum Checker product.

We believe that conducting our software development in an open and public way will better serve to demonstrate the transparency and authenticity of our method of digital preservation. In addition, making our code and documentation freely available has made it easy for others to collaborate with us on further development of the software.