Download sources
The source tar files can be found on the GitHub release site.
Historic source tar files can be found on the ftp site.
Browsing source code
To browse the source code you can use github.
Heimdal git repository
To pull down the Heimdal git repository use the folling commands. To read more about git, read the Git Community book.
git clone https://github.com/heimdal/heimdal.git
Heimdal master (development branch)
git clone https://github.com/heimdal/heimdal.git cd heimdal autoreconf -f -i
Heimdal 7.1 release branch
git clone https://github.com/heimdal/heimdal.git cd heimdal git checkout -b heimdal-7-1-branch origin/heimdal-7-1-branch autoreconf -f -i