Ming is a library for writing SWF (Flash) format files. It includes high-level functions which abstract away mundane specifics of the file format and PHP (and now Python/Zope, Ruby, and c++) module code which wraps the library into handy objects.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.