source repository
Anonymous Subversion over WebDAV
Anonymous non-committer access is allowed over normal non-SSL WebDAV.
http://svn.codehaus.org/esper/Committer Access - WebDAV
Committer access over HTTPS + WebDAV is suitable for all users (including behind firewalls), although tends to be slower than SVN+SSH access.
https://svn.codehaus.org/esper/Browsable source
The source repository can be browsed online.
http://svn.esper.codehaus.org/RSS feed of changes
An RSS 2.0 feed of the changelog is available for subscribing.
http://svn.esper.codehaus.org/changelog/~rss/esper/rss.xml