SvnCrawler is a tool for analysis of Subversion (SVN) repositories. The project includes different plug-ins for generating csv reports, rss feeds and more. Creating a new plug-in takes only a few bash lines. More info: http://svncrawler.sourceforge.net
WebSVNAdmin is a webinterface to manage users, groups and SVN-repositories. It includes WebSVN as an SVN-Viewer. With WebSVNAdmin you can easily create or delete repositories and manage the users and rights.