That's nice. Of course you have better things to do, like mmmm, continue your commercial relationship with Adobe. Good for you. Tell us, when LR was first made available to you did you say that you had better things to do? After all, ACR does it all, right? Personally speaking, I use LR and quite like it. But I'll try a competitor. Perhaps it will be good. In which case I'll run it and stop being an Adobe customer.
Oh, is "open source" relevant to whether its worth trying? I imagine it shouldn't be. LR uses Lua. Apple depend on GCC and LLVM. All three open source.
Wow, you're a real butthead ain't ya bud? Don't think I've run across you before. Just as well, I'll add you to my ignore list.
As for what I'm busy with; finishing off a new book and then two weeks of shooting in England so no, not anything to do with my dirty little relationship with Adobe. As to what I thought when Mark Hamburg and Thomas Knoll brought PixelToy to my studio back in Dec of 2003, I told Mark that what he was thinking of doing–a snapshot painting app–didn't interest me and that what was needed was a database app. Sort of Camera Raw on steroids...
In terms of open source, I've yet to see any applications come out of open source that are particularly viable. Technologies yes, usable applications, no. It just takes too long for people to "play" with an application's development. Hey, wanna give up Photoshop? Use Gimp...hey, it's FREE...yeah, right....
Knowing what I know about Photoshop and Lightroom development, if a bunch of geeks think they can whip up a piece of code to compete with Photoshop or Lightroom (or heck, even Aperture) more power to them, Odds that will ever happen? Less than zero I would say...
Have a nice day, you have been ignored.