The Heirloom Project provides standard Unix utilities.
Web-based subversion manager
Codepot is a web-based subversion repository manager. It incorporates the subversion revision control system and wiki-based documentation, and supports authentication via LDAP or DBMS. If you opt for the simplest, you can manage multiple subversion repositories independent of each other. Going beyond it, you can track issues, write documents, and upload release files. See it live at http://code.abiyo.net
Subbarna is the new web-graphical way to admin Subversion. You can admin your repositoroies (create, modify, delete, add/remove users, etc...) by a simple web interface.