Open Source JavaScript Calendar Software

The Crosswise project is a web-based community event calendar that adds modular data analysis and visualization, and communication methods, to provide community organizations with a powerful event planning, collaboration and analysis tool.

This is a simple DHTML javascript date picker, for easy selection of ranges of dates, including year, month, day from-to and weeks. Inspired by the date range picker at google analytics.

PHPWebCalendar is a feature rich events calendar using AJAX to display events. Features include: advanced events system, admin panel, a portal page, news, upcoming events, multiple calendars, simple API, RSS feeds, web based instal and a whole lot more!

It's professional Extensions modules for Egroupware : Issue, decision and risk mgmt,Meeting Agenda/Report,Project Capitalisation PDF for every egw modules, objective mgmt, project team and calendar, dashboard, ISO 15504 SPICE Process Description

SPM for XOOPS is a set of XOOPS modules (collaboration management, document management, tasks organizer, events calendar, etc) to manage projects and all related tasks with them.

Bootstrap-datepicker provides a flexible datepicker widget in the Bootstrap style. Versions are incremented according to semver. As with bootstrap’s own plugins, datepicker provides a data-api that can be used to instantiate datepickers without the need for custom javascript. You can disable datepicker’s data-api in the same way as you would disable other bootstrap plugins. Most options can be provided via data-attributes. An option can be converted to a data-attribute by taking its name, replacing each uppercase letter with its lowercase equivalent preceded by a dash, and prepending “data-date-” to the result. Methods are called on a datepicker by calling the datepicker function with a string first argument, followed by any arguments the method takes.

cmappCalendar is a very fast calendar (including an events management feature) developed using object orientated PHP. It is especially suited for websites which demand performace.

The eZ calendar, eZ publish 2 module, provides a full fledged web calendar to users. An advanced web calendar, updated to support repeating events, event comments, event files, an exciting new look, popup calendars, html in description fields and more ..