The Flamingo source code can be browsed with Trac by clicking on the "Browse Source" menu-item above. If you want to download and keep up-to-date on all the latest source code, use a Subversion client and point it to a SVN URL. You can find some help with a subversion client on the SubVersionClient page.
Subversion urls
Official Version 3.0
http://svn.flamingo-mc.org/repository/flamingo/tags/release_3_0_0
Official Version 3.1.0
http://svn.flamingo-mc.org/repository/flamingo/tags/release_3_1_0
Trunk
The committers are committing new features to flamingo. The newest (unofficial) flamingo can be found in the trunk:
http://svn.flamingo-mc.org/repository/flamingo/trunk
Older versions
See the OlderVersion page for older versions.
Note: The repository URL is read-only; only users with an account can commit code (using https as URL protocol). You can post in the Flamingo forum if have questions or found bugs. If you have build some new features or changed the flamingo code you can (read must, because of the gpl license!) post the patch on the forum or contact a committer.