The ability to do cross-platform development is a strength of Mac OS X, as the UNIX underpinnings make it easy to develop applications on your Mac and port them to other flavors of UNIX for deployment. This article enumerates some of the tools that you can use to develop code on Mac OS X so that you can deploy that code on other UNIX-based platforms, and some things that you'll want to make sure to note before you get started...
Source: Apple Developer Connection
