CalendarX is a powerful calendar and event content management system built in Python using Plone and Archetypes. It offers event categories (metacalendar) and more. Plone is a free and open source content management system based on the Zope application server. Plone can be used for various types of websites, including blogs, internet sites, webshops and internal websites. It is also suitable for document publishing and groupware collaboration. The advantages of Plone are its flexibility and adaptability.
Wineskin Winery creates Mac OS X ports/wrappers for Windows programs/games, with an easy-to-use GUI, integrated Wine, X11 and an installer.
LiquidMac uses a particle system to imitate liquid and responds to laptop orientation.
