InView

From Hindsight:

InView by Hindsight is a unique cross-platform, turnkey, feature rich and fully integrated suite of office applications including a Contact Manager, Word Processor, Invoicing, Accounting, Equipment file, Date Keeper, and Job Timer. With InView you can run your entire business with just one software package. And, since the same the same files with run on Mac and Windows, you can easily share your data across the platforms.
InView is ready for full operation immediately and can easily import data from most contact managers. However, the graphics are fully customizable so you can make the letters and invoices match your present stationary. InView changes to match your style.
InView also has add-on modules such as StockView which is designed to manage any sort of image library, and searchLynx a searchable online image catalog for dispalying your library on the Internet. HindSight and its associates can also create custom modules for your specific business needs.
Soon, we'll have a Windows multi-user version so many users will be able to access the same databases on Mac and Window's at the same time.