ArchiChect lets you check any app, bundle or file for 64-bit compatibility, signatures, notarization, and quarantine. Therefore, ArchiChect informs you whether the quarantine flag is set, whether the signature is valid, and whether the notarization is delivered by the App Store, or signed by Apple.
LiquidMac uses a particle system to imitate liquid and responds to laptop orientation.
Wineskin Winery creates Mac OS X ports/wrappers for Windows programs/games, with an easy-to-use GUI, integrated Wine, X11 and an installer.
