Here you can find the note package for free download. Follow the installation instructions in the README file provided with the package or read the online version.
latest version: note-1.3.22.tar.gz
MD5 Checksum: a1bfd07e92df0b40efaa76269456528a (Update 30.09.2016: I changed the checksum, the one I had here before this date, was of the version 1.3.18)
Debian Package: 'apt-get install note' (which means, note is now a regular debian package). Or download the debian package directly: http://packages.debian.org/stable/utils/note.html.
There also exists a CPAN listing of note, where it can be downloaded too.
Older versions: /idisk/Apps/note/