Licenseutils is for creating copyright and license notices at the beginning of source code files. It can be a pain to put copyright and license notices in a collection of source code files. This software will help you accomplish this in a standard-looking way, for a variety of different programming languages.
An early video of licenseutils can be seen here: https://gobblin.se/u/bing/m/licenseutils-0-0-4-in-action/
Read the manual locally using info licenseutils, or see the latest online manual.
The latest source with revision history can be browsed using cgit or, gitweb.
Assuming you have git installed, you can retrieve the latest version with this command: git clone git://git.sv.nongnu.org/licenseutils
To build from the latest sources please follow the instructions in HACKING.