This repository has 2 releases of 'hello world'. It is used for training purposes. It shows a regular setup with trunk, branches, and tags. Check it out if you need a subversion checkout to mess with.
The iF.SVNAdmin application is a web based GUI to your Subversion authorization file. It is based on PHP 5.3 and requires a web server (Apache) to be installed. (+ LDAP integration; no database required)