K T wrote:
OS X Development recently received news that beginning in March 20012, all apps will be required to use sandboxing - it would appear that the days of casually distributing software are going away.
Apple will require all Mac App Store applications to be sandboxed. I know of no plans to restrict any casual distribution of software. That is possible even on iOS. One day developers could be required to pay just to digitally sign an application, and they may howl about that, but that is just speculation on my part, would be years away, and is, ultimately, nothing new in the industry anyway.
If you want to distribute your software so that it might be useful to others, consider releasing it as a library. You could attempt to sell the library or distribute it as open source. Only applications can be sold in the App Store anyway. If you want to sell the library, you have to do it on your own. If you want to release it as open source, make sure to use a license that will allow people to sell their applications built with your library in the App Store.