# Adding an Extension/Module

**URL:** <https://discourse.slicer.org/t/adding-an-extension-module/45158>\
**Category:** Development\
**Created:** [November 20, 2025, 4:25am UTC](https://discourse.slicer.org/t/adding-an-extension-module/45158 "2025-11-20T04:25:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![elisedl1](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/elisedl1/32/80344_2.png) [@elisedl1](https://discourse.slicer.org/u/elisedl1)\
**Post date:** [November 20, 2025, 4:25am UTC](https://discourse.slicer.org/t/adding-an-extension-module/45158/1 "2025-11-20T04:25:38Z")

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Is it possible to build an extension package and add it to the Extension Manager to be publicly available for installation? I currently have a developed module that is locally integrated or can be integrated via cloning the Git repo.

As well, are there suggestions about where to publish a brief overview of the open-source code, i.e. The Journal of Open Source or arxiv?

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**Author:** ![ebrahim](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/ebrahim/32/13403_2.png) [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Post date:** [November 20, 2025, 4:27am UTC](https://discourse.slicer.org/t/adding-an-extension-module/45158/2 "2025-11-20T04:27:48Z")

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Yes! Start here with the instructions for distributing an extension by getting it added to the extensions index: [Extensions — 3D Slicer documentation](https://slicer.readthedocs.io/en/latest/developer_guide/extensions.html#distribute-an-extension)