ttm is a simple but flexible command-line based Perl program for managing lists of tasks. Arbitrary properties can be attached to each task. Standard properties such as `priority', `status' and `categories' are used to provide different ways of viewing the task list. Editing is done with your favourite text editor.
VCalSax is a simple Python module for managing scheduler data in XML. It enables loading data from VCalendar files into DOM trees, and to rewrite such trees as VCalendar files. To make such conversions, VCalSax defines a Sax parser which changes the VCalendar format to a specific XML format, and a XSL Transform to build VCalendar files. VCalendar is a standard format for scheduler data used in many calendar software (KOrganizer, Evolution, etc.).
wxRemind is a wxPython-based front/back-end for Remind, a powerful calendar and alarm application. The display features a calendar and daily event list suitable for visualizing your schedule at a glance. Dates and associated events can be quickly selected either with the mouse or cursor keys, and dates in the calendar are color coded to reflect the total duration of scheduled events. wxRemind integrates with an external editor of your choice to make editing of reminder files more efficient, provides hotkeys to quickly access the most commonly used options, and allows popup, sound, and/or spoken alarms.