What are some alternatives?
When comparing SmartSVN and SnailSVN, you can also consider the following products
TortoiseSVN - The coolest interface to (Sub)version control
Slik SVN - SlikSVN is a free subversion client for the command line.
Cornerstone 4 by Assembla - The ultimate Subversion client for Mac
kdeSVN - Comfortable graphical SVN client for linux.
RabbitVCS - RabbitVCS is a set of graphical tools written to provide simple and straightforward access to the...
Versions - Versions provides a pleasant way to work with Subversion on your Mac.