High Quality Content by WIKIPEDIA articles! Meeting Maker is a cross-platform personal calendar and group scheduling software application from PeopleCube. The product dates back to 1990, when it was originally Mac-only software created by Callisto Corporation and published by ON Technology. It was released for Microsoft Windows as Meeting Maker XP (cross-platform) in 1993. At times, it even had native clients for HPUX, Solaris, SunOS, Linux, Apple Newton, and others. Currently, besides Mac and Windows, it offers a browser-based client, which is supported on Solaris and Linux.