OS X for the main development, on a relatively venerable 17" 2009 MBP, so that's the single upvote I offered. But, the code's deliberately platform agnostic, a

OS X for the main development, on a relatively venerable 17" 2009 MBP, so that's the single upvote I offered. But, the code's deliberately platform agnostic, and I do secondarily maintain a Windows version, under Parallels, for the DirectShow filter build. I'll likely bring it to Ubuntu later as well, for render farm deployment.