Bitmarkets 0.9.2 for Mac can be downloaded from our website for free. The program lies within Business Tools, more precisely Finances. This free Mac application is an intellectual property of Voluntary.
From the developer:
Bitmarkets is a P2P online marketplace client using Bitmessage for communications and Bitcoin for payments. The Bitmessage network is used for posts and buyer/seller communication and the Bitcoin network is used for payments. The seller puts up 1x price of item as a deposit and buyer puts up 1x for deposit 1x for payment. These can only be released when both agree on payment or refund.
You may want to check out more software for Mac, such as AccountingToolBox, Airfoil Speakers or instantAdmin, which might be similar to Bitmarkets.