3 ms·Playgrounds most likely are one.by rdsnsca 11y agoPlaygrounds most likely are one.cmsj 11y agoSure, but they are so tightly integrated with Xcode. It would be very hard to open source anything meaningful there, I suspect.rdsnsca 11y agoYou are probably right, its a shame though as Xcode 7 will basically let you write a book , with the new multi page playground feature.