3 ms·Mac OS already has its Native Client : the App Store...by trueduke 15y agoMac OS already has its Native Client : the App Store...tensor 15y agoThis is cross-platform and sandboxed. The App Store is just a publishing mechanism.bzbarsky 15y agoNaCl isn't exactly cross-platform. At the moment it only works on 3 hardware architectures at most, and that only if you put in some special effort....