This project uses Git to manage its source code. Instructions on Git use can be found at http://git-scm.com/documentation.
The following is a link to a browsable version of the source repository:
The source can be checked out anonymously from Git with this command (See http://git-scm.com/docs/git-clone):
$ git clone https://github.com/opengeospatial/geoapi
Refer to the documentation of the SCM used for more information about access behind a firewall.