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[FullCalendar Reactive] Do I need FullCalendar License for in-house System Development?
fullcalendar-reactive
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Forge asset by Mediaweb
Application Type
Reactive

I came across a similar question, but I would like to confirm once again just to be sure here. 

I'm considering implementing Forge's FullCalendar to display a calendar in our in-house system.

However, there is the following description regarding the license. Would it be necessary to purchase a commercial license for in-house system development?

LicenseThe FullCalendar has 3 license options: Commercial License, Non-Commercial Creative Commons, and GPL License.

The default value of FullCalendar's input parameter "SchedulerLicense" is set to the GPL license. I was wondering if it is okay to proceed with this setting, so I wanted to ask for clarification.

2026-01-28 16-57-48
Mihai Melencu
Champion
Solution

Hi @Somang Yun ,

The core calendar and all of the non-premium plugins. That bundle is released under the MIT license, which is fully permissive (you can use, modify and redistribute it in commercial, closed-source projects, so long as you keep the copyright header intact) .

However, the Scheduler bundle and the premium plugins must be used under one of those three licenses you describe. If your in-house application is proprietary (you do not intend to open-source it under GPLv3), it counts as a commercial use ,even if it’s only deployed internally, and you must purchase a commercial license.

You can check the full License information here: License | FullCalendar .  You can also contact their support team and describe your scenario.

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