Languages: English, German, French and many more.
Compatibility: Windows, MAC OS X & Linux
License: GPL v3.
Author's description:
RapidSVN is a cross-platform GUI front-end for the Subversion revision system written in C++ using the wxWidgets framework. This project also includes a Subversion client C++ API.

RapidSVN is licensed under the GNU GENERAL PUBLIC LICENSE v3.


Website : http://www.rapidsvn.org/index.php/Main_Page
Download page: http://rapidsvn.org/download

Opinion: Small and simple SVN Client.