Zürich-based indy developer Cornerstone, the latest attempt to make the Subversion experience more Mac-like. As Zennaware says,
We wanted to make an application which would make version control usable and, most-of-all, approachable to Mac users.
As John Gruber pointed out, they were brave enough to commercially release v1.0 without the requisite hype or beta Versions. [...]
Cornerstone: New Mac Subversion Client