The ApPHP Calendar (ApPHP CAL) is a powerful PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event processors etc. The calendar is very simple to install, implement, and use. It has a user-friendly interface and navigation. It can be viewed in various ways: yearly, monthly, weekly, and daily.
HordeZpush provides ActiveSync synchronisation between smartphones, PDAs, and Horde groupware. It is based on the Zpush project and adds backends that synchronize contacts and calendars with Horde. It has been tested with Horde 3.3.5, Kronolith 2.3.2, Turba 2.3.2, and Z-Push 1.2.1.
Wyrd is a curses front-end for Remind, a powerful calendar and alarm application. The display features a scrollable time table suitable for visualizing your schedule at a glance. Wyrd integrates with an external editor of your choice to make editing of reminder files more efficient, and provides hotkeys to quickly access the most common Remind options. Other features include extensive configurability, Mutt-like interface design, and minimal resource requirements.
tngCalendar is a Web calendar addon to the TNG software for online genealogy. It adds a convenient view of your family history, overlaying anniversaries of births, deaths, and marriages on top of an easy-to-understand calendar. It can be dropped in-place over a commercial TNG installation, or installed in a parallel directory.
ITL itools is a collection of command line tools that mimics the development of the underlying ITL library (libitl) and is meant to always give the end-user simple means to access its functions. Available tools include ical (displays a Hijri calendar), idate (a multi-method Hijri/Gregorian date converter), ipraytime (a prayer times and Qibla calculator and schedule table generator), and ireminder (a prayer time reminder Perl script). This project is part of the Islamic Tools and Libraries project.