This is a Web-based calendaring system designed for project management on group environment. Some of its current features include: User authentication using PHP authorization and session management, A separate administration part for Admins, User and project management for admin users in the administration section, Appointments can be made for multiple persons, Appointments are checked if any attendees are selected, Appointments are checked if a duration is selected, Appointments can be edited afterwards on all settings, Appointments can be deleted, There is a day and a week overview, A small month overview for picking dates quickly, and A user picker enabling you to view one or more persons a time.

easyEvent is a web based event calendar application designed for ease of use and customizability. It provides event dates and information at a glance. easyEvent's simple layout provides all of the necessary information to the viewer without needless searching. Events can be added, modified and deleted only by the administrator through an easy to use web interface.

This is a simple calendar script written in PHP which displays a calendar month. It also features a navigation menu to view different dates. Though the script has option of up to year 2010, you can easily extend it by adding more years. Users can add events for any date and also display schedule for any date.

The Knight's Calendar is a web-based calendar. Features: Add/Edit/Delete/View reminders in the calendar, Search all reminders in the system, Add/edit/delete/view reminder types (appointment, birthday, homework, etc.), Small and compact view to allow for viewing an entire month in one view, Month navigation, Ability to enter date AND time of reminders. Easily upgradable to MSSQL.

This is a free library of PHP tools for calculating holidays. US holidays are the only ones currently entered, but others could easily be added. It includes actual/observed days, Easter Sunday, and the number of weeks in a month containing a specific day.

PAYA schedule is a calendar and schedule manager program for multi users. It is beckended by database (mysql, postgresql, oracle, mssql, etc) and uses PHP session (php3 or php4). Comes with the admin pages where you can add, remove users and anniversaries. Available view include year, month, week, and day, and also supports public calendar, a rest day markup, repeat events, and import event markable.

phpMyAgenda is a complete web application that enable you to manage and publish events (meeting, concert, session, etc). It stores description, dates, urls, places, contacts, and more. It uses templates to make it very easy to customize. The administrative interface is all graphical for intuitive management. Screen shots available on its homepage.

myPHPCalendar is a Web-based calendar program written in PHP4 that uses a MySQL database on backend. Some of its key features include: Public Calendar, Private/Group Calendar, Full month view, Single day view, and more. It supports both PHP3 and PHP4.

This is a web-based event calendar using PHP and PostgreSQL, and supporting SSL. It allows people to submit events, and other people are allowed to approve those events for general viewing. Permissions are based on the location of the event. Deletion and modification are also possible. It also has other nifty features like a preview while submitting an event, hiding events from off-campus web browsers, and the option to view unapproved events.

This is a calendaring software written with the PHP programming language interfacing with a MySQL database. The primary goals of this software include: Calendar software which allows a small group of posters to display information on a website, Simple methods which allow webmasters to draw the calendars. A high degree of customizability for the appearance of the calendars, and Easy-to-use, web-based administration tools for the posting, modification, and deletion of events.

This is a simple calendar menu script written in PHP which displays a calendar month. It also features a navigation function to previous and next month calendar.

This is a GPL'd PHP3/MySQL based calendar program. It features: displays a monthly calendar with a link to each date, display events for specified dates, easy navigation buttons, and add/delete/modify daily events.

This is a fast community calendar script that uses PHP and MySQL. It allows users to add and view events for any given day of the user selected month. It also comes with the admin pages where you can add, remove and update any events. When a user wants to add an event to the calendar, his/her request is sent via e-mail to the calendar maintainer who can then accept or reject the request from the admin page.