Debit+Credit 1.2 for Mac can be downloaded from our website for free. The application lies within Business Tools, more precisely Finances. The actual developer of this software for Mac is Aderstedt Software AB.
From the developer:
Double-entry book-keeping has been in wide-spread use since the 15th century. Rather than change it, we thought long and hard about how to best bring it to the Mac platform. The result is an application that has the look and feel of a true Mac OS X application. It is a first-class citizen among Mac apps, supporting unlimited undo, Spotlight, AppleScript and building on Core Data and a host of other Apple technologies.
You may want to check out more Mac applications, such as Debit & Credit, which might be similar to Debit+Credit.