Aqualung is officially released only as a source code tarball archive. Download release tarball 1.2.

The program is included in most major Linux distributions.

Development happens in git, hosted on GitHub: jeremyevans/aqualung

To clone the source repository, type:
$ git clone git://github.com/jeremyevans/aqualung.git

Remember to run sh autogen.sh in the root directory of the cloned repository before running ./configure. If you have the necessary auto* packages installed, this is the only additional step needed compared to compiling an official tarball release.