Cornerstone Subversion client for OSX
"Take control of Subversion with a client application that was specifically designed for Mac users. Cornerstone integrates all of the features you need to interact with your repository and does so in an elegant and easy-to-use fashion." (via)
I have been testing out Versions over the past week and have really enjoyed this. I was recommended Cornerstone via my friend Brad Dielman and had to check it out. So far it looks fabulous.