WebCalendar is a PHP-based calendar application that can be configured as a single-user calendar, a multi-user calendar for groups of users, or as an event calendar viewable by visitors. MySQL/MariaDB, SQLite3, PostgreSQL, Oracle, DB2, Interbase, MS SQL Server, or ODBC is required.
WebCalendar can be setup in a variety of ways, such as…
- A schedule management system for a single person
- A schedule management system for a group of people, allowing one or more assistants to manage the calendar of another user
- An events schedule that anyone can view, allowing visitors to submit new events
- A calendar server that can be viewed with iCalendar-compliant calendar applications like Mozilla Sunbird, Apple iCal or GNOME Evolution or RSS-enabled applications like Firefox, Thunderbird, RSSOwl, FeedDemon, or BlogExpress.
Overview of Features
- XHTML/CSS compliance
- Multi-user support
- 30 supported languages: Basque, Bulgarian, Chinese-Big5, Chinese-GB2312, Czech, Danish, Dutch, English-US, Estonian, Finnish, French, Galician, German, Greek, Holo-Big5, Hungarian, Icelandic, Italian, Japanese, Korean, Norwegian, Polish, Portuguese_BR, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish, Welsh
- Auto-detect user’s language preference from browser settings
- View calendars by day, week, month or year
- View another user’s calendar
- View one or more users’ calendar via layers on top of your own calendar
- Add/Edit/Delete users
- Add/Edit/Delete events
- Repeating events including support for overriding or deleting (exceptions)
- Configurable custom event fields
- User-configurable preferences for colors, 12/24 time format, Sun/Mon week start
- Online help
- Checks for scheduling conflicts
- Email reminders for upcoming events
- Email notifications for new/updated/deleted events
- Export events to iCalendar, vCalendar or Palm
- Import from iCalendar, vCalendar or Palm
- Optional general access (no login required) to allow calendar to be viewed by people without a login (useful for event calendars)
- Users can make their calendar available publicly to anyone with an iCalendar-compliant calendar program (such as Apple’s iCal, Mozilla Calendar or Sunbird)
- Publishing of free/busy schedules (part of the iCalendar standard)
- RSS support that puts a user’s calendar into RSS (WebCalendar 1.1+)
- Subscribe to “remote” calendars (hosted elsewhere on the net) in either iCalendar or hCalendar formats (WebCalendar 1.1+)
- User authentication: Web-based, HTTP, LDAP or NIS
- PHP 7.1 or later
- PHP support and access to one of the following databases:
- Microsoft SQL Server
- IBM DB2
- Access to cron for Linux/Unix systems (to send out reminders)
The following metrics from Ohloh show how much it would have cost to commercially develop WebCalendar.
- Codebase Size: 63,370 lines
- Estimated Effort: 15 person-years
- Estimated Cost: $835,746
- (As of 09-Apr-2016)
WebCalendar is available under the GNU General Public License, version 2.
For more information on this license:
- System Administrator’s Guide
Introduction, installation instructions and FAQ
- UPGRADING (WebCalendar 1.3.0)
Provides instruction on upgrading to version 1.3.7 from an older version
- Database Design (WebCalendar 1.3.0)
Version 1.2.7 database schema
Most Recent Changes
Below are the most recent source code commits to github on the master branch.
- Calendar client applications – You can use the applications to view events stored in WebCalendar if you enable its publishing settings.
- iCalendar/ics download sites – These sites contain calendars for holidays, sports teams schedules, music converts, etc. You can import these files into WebCalendar.