Kalibro is an open source free software to manage devices and tools for calibration and maintenance records. It helps you to keep inventory and reminds you the scheduled dates. Kalibro also helps you to satisfy the requirements of the Quality Management Standards like ISO9001, AS9100 and TS16949. Manufacturing, Quality and IT departments of small/medium sized companies are targeted to use Kalibro. You do not need to use spread sheet files to save your critical calibration records.
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OrganizerCalendar is a command line utility written in python that will help you organize your upcoming appointments using only command line, so you can use for example ssh to manage your calendar from remote computer.
A Rainlendar-like calendar for your desktop released under GNU GPL License. It is good looking (using real transparency), small and it integrates well in your desktop.