Freebaser for Mac

From freebaser:

The Freebaser project is collective of free (www.fsf.org), simple, elegant, usefull multi-platform database applications, with the goal solving organisationals issues. The current release of Freebaser includes the following databse applications: * Client database * Member database * Contacts database * Task List / Todo list * Workflow Freebaser applications are easily customised to any need as they are all designed using the phpmyedit framework All the the applications in Freebaser are extendable so if they dont cover your exact need, it no hassle to add the extra features or fields.