Sushee is an XML Office Management Framework: a set of application development tools designed to manage contents and activities (companies, institutions, associations, etc.) in a multi-language, multi-channel, multi-format and multi-project context.
SoftOrganiser is a simple emulation of a pocket organiser, with data shared by many users. It has a contacts page, schedules page which can be alarmed, and context-sensitive help. First thing I install on any new computer to this day to keep organised!