Sorry, we no longer maintain the code repository website.
We now use GitHub to host the source code, see
Should be able to download the code from there, while we dont generally do explicit 'releases', full history is available via git, so can get code at any specific time in history.
The full history back from the original CVS on sourceforge.net, and our SVN repository on svn.geograph.org.uk has been imported into Git.
Note some parts have been split into seperate git repsoitory, rather than just being folders in the main project. To see all projects see the organization listing at: