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dhtmlxScheduler is a JavaScript event calendar that allows you to add a Google-like scheduler to your web app or website. Intuitive drag-and-drop interface allows the end users to quickly manage events and appointments in different views: Day, Week, Month, Year, Agenda, Timeline, etc. Very lightweight (about 20Kb gzipped), highly customizable, and fast, dhtmlxScheduler provides a quick way to add an Ajax-based event calendar on a web page.

Live demos

Basic Scheduler

Recurring Events

Multiple Resources View

Timeline View

Map View

Mobile Scheduler

dhtmlxScheduler has an extensive JavaScript API and a wide range of events giving you full control over the calendar's look and feel. You can easily customize the scheduler's appearance, add/update events, change the date format or language of the calendar UI.

Since v.4.0, the scheduler provides easy integration with jQuery and Backbone.js frameworks. You can also use dhtmlxScheduler in your Windows 8 apps written in JavaScript and HTML.

Along with a clean look and swift performance, this event calendar provides a rich set of features.

Basic Views

Events in the calendar can be displayed in a few basic views: Day, Week, Month, Year, and Agenda. Users can navigate through different views using tabs on the top of the calendar. Simple drag-and-drop interface allows users to easily change events time and duration. If needed, the scheduler can be displayed in read-only mode.

Multiple Resource Views

dhtmlxScheduler provides Units View to display several calendars for multiple resources simultaneously (such as human resources, office locations, rooms, etc.). The calendars for different resources are arranged in columns, so you can see all of them on one page.

One more option to display events/tasks/appointments for several resources at a time is a Timeline View. You can also enable the hierarchical structure and show the resources in expandable groups. The Timeline View can be used to visualize and monitor the progress of ongoing tasks or projects.

Server-Side Integration

dhtmlxScheduler is written in JavaScript/CSS so you can use it with any server-side technology. To simplify data communication between the client-side calendar interface and server-side database, we offer dhtmlxConnector. It works like a server-side layer and handles loading, updating and saving of the data. Currently dhtmlxConnector is available PHP, ASP.NET, Java, and Cold Fusion.

Integration with Google Maps

dhtmlxScheduler supports easy integration with Goolge Maps that allows you to display locations associated with the calendar events. In this mode, you just specify a location in an event description or choose the desired location right on the map.

Easy Navigation with Mini Calendar

To simplify the navigation through the calendar, you can display a small date picker either on the left side of the scheduler or as a popup. Users can select a day to see the events for that day.

Recurring Events

dhtmlxScheduler features the ability to display recurring events which can be repeated on a daily, weekly, monthly, or yearly basis. Events can be configured in the popup event editor that provides detailed parameters to set up events recurrence.

Custom Style for Time Intervals

The scheduler allows you to set custom style (color, text, background image, or any custom HTML) and visually define time spans. For example, you can use this feature to highlight the holidays or alert the user that some time intervals are disabled for adding events.

Data Import/Export

To provide printing capabilities, dhtmlxScheduler supports export to PDF (available for PHP, Java, and ASP.NET). Find more details and download links of Scheduler-to-PDF functionality here.

The calendar also supports data export to XML, JSON, and iCal formats, as well as the ability to load calendar data from JSON file or object. There is a special utility for iCal export that facilitates the export functionality and allows you to share the calendar data across different apps and devices.

Export to PDF and PNG

Since version 4.1, dhtmlxScheduler provides an online export service that allows you to export your calendar to PDF or PNG formats and print it, if needed. Try the demo.

By default, the generated PDF/PNG document includes a watermark. The Commercial/Enterprise License holders can use this service without a watermark on one domain within the support period (30 days for Commercial License, 12 months for Enterprise License). This period can be extended ($70 per year for one domain). For more details, contact .

Completely Customizable

The rich JavaScript API allows you to change virtually every aspect of the calendar's look and feel, including colors, texts, scales, first day of the week, etc. You can even create your own custom views to display events in your own way, for example, in work week view. A popup form for editing event details can be also configured to contain custom fields and match the exact needs of your calendar.

Our Ajax event calendar comes with 4 predefined skins. To customize the color scheme for the skin, use the online Skin Builder that allows you to define colors of each element of the calendar interface.

Support for Touch Screens

dhtmlxScheduler provides full support for touch screen devices (iOS, Android, Windows 8), including desktop monitors, tablets, and smartphones. All features available in dhtmlxScheduler are working on touch screens, including drag-and-drop, scrolling, and editing.

HTML5 JavaScript Mobile Scheduler

For mobile phones and tablets, we offer a special JavaScript/HTML5 version optimized for small screens. It offers an intutivie calendar UI that works natively in WebKit browsers on different mobile platforms (iOS, Android).

The server side of the mobile version is compatible with the original dhtmlxScheduler so you can fully reuse existing server-side code. On the client side, it has slightly different set of events and templates but uses the similar principles and API.

You can quickly get started with the mobile scheduler if you have worked with dhtmlxScheduler or DHTMLX Touch before. The mobile version is covered by the same licenses as dhtmlxScheduler.

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Editions and Licenses

dhtmlxScheduler is available in Standard and PRO Editions.
NOTE: The PRO Edition is available under the Enterprise License and supports one additional feature: the ability to display multiple scheduler instances on a page. To get dhtmlxScheduler PRO trial, contact us at .

dhtmlxScheduler is distributed under the following licenses:

GNU GPL v2 - Allows the use of dhtmlxScheduler Standard in GPL-ed projects for free. Download

Commercial License ($299) - Allows you to use dhtmlxScheduler Standard in one project (application) with an unlimited number of copies. With this license, you receive 1 month of technical support (or 5 support requests within 12 months) and one major upgrade. Buy it

Enterprise License ($799) - Allows you to use dhtmlxScheduler PRO in an unlimited number of projects on the condition that all of them are developed by one company. Free support/upgrades are provided for the first 12 months. Buy it