# Can Cesium js be purchased in offline mode for flight tracking?

**URL:** <https://community.cesium.com/t/can-cesium-js-be-purchased-in-offline-mode-for-flight-tracking/25989>\
**Category:** Cesium ion\
**Created:** [August 9, 2023, 8:22am UTC](https://community.cesium.com/t/can-cesium-js-be-purchased-in-offline-mode-for-flight-tracking/25989 "2023-08-09T08:22:49Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Sefa\_Demirci](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/sefa_demirci/32/15071_2.png) [@Sefa\_Demirci](https://community.cesium.com/u/Sefa_Demirci)\
**Post date:** [August 9, 2023, 8:22am UTC](https://community.cesium.com/t/can-cesium-js-be-purchased-in-offline-mode-for-flight-tracking/25989/1 "2023-08-09T08:22:49Z")

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Can Cesium js be purchased in offline mode for flight tracking?

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**Author:** ![Ankit\_Trehan](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/ankit_trehan/32/14038_2.png) [@Ankit\_Trehan](https://community.cesium.com/u/Ankit_Trehan)\
**Post date:** [August 9, 2023, 12:17pm UTC](https://community.cesium.com/t/can-cesium-js-be-purchased-in-offline-mode-for-flight-tracking/25989/2 "2023-08-09T12:17:54Z")

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Hi,

Cesium Js is an opensource library that you can add to your project offline. Can you please describe your use case for Cesium Js, and if you mean using Cesium ion’s tiling capabilities offline?

Thanks,  
Ankit

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**Author:** ![Sefa\_Demirci](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/sefa_demirci/32/15071_2.png) [@Sefa\_Demirci](https://community.cesium.com/u/Sefa_Demirci)\
**Post date:** [August 9, 2023, 7:22pm UTC](https://community.cesium.com/t/can-cesium-js-be-purchased-in-offline-mode-for-flight-tracking/25989/3 "2023-08-09T19:22:38Z")

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yes sir we will use the features of cesium ion offline and also we will use the 3D map offline

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**Author:** ![Ankit\_Trehan](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/ankit_trehan/32/14038_2.png) [@Ankit\_Trehan](https://community.cesium.com/u/Ankit_Trehan)\
**Post date:** [August 10, 2023, 5:08pm UTC](https://community.cesium.com/t/can-cesium-js-be-purchased-in-offline-mode-for-flight-tracking/25989/6 "2023-08-10T17:08:51Z")

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@Sefa_Demirci I have asked someone from the sales team to follow up with you directly regarding this.