Subversion Web Control (SWC) is an "SVN Client" that allows to control a Webspace for Web-Projects based on SVN via Web Browser: Update your webspace, switch to tags or branches, run SVN commands and much more. Check 'Home Page' link for details.
ViewVC is a web-based version control repository browser, currently supporting CVS and Subversion repositories. Project development is now hosted at https://github.com/viewvc/viewvc/.