TortoiseSVN - The coolest interface to (Sub)version control
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
SnailSVN - Similar to Tortoise SVN for Windows but integrated into Finder
Drupe - Next generation contact manager and dialer.
SmartSVN - SmartSVN is a graphical client for the Open Source version control system Subversion (SVN).
Simple Contacts - Contact lens prescriptions from home