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Modder

J-cart

Builds mods for Nook owners.

J-cart on GitHub

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In short

Their mod has 3.9K stars on GitHub.

Built

OlauncherOpen the apps you install from the home screen

Open software for closed hardware.

3,722

mods for 4,106 devices

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co.build lists third-party projects and provides its own descriptions and setup prompts. Review instructions before running them: device changes can cause damage, data loss or security problems. Independent repair does not automatically remove statutory warranty rights, but damage caused by a modification may be excluded where law permits. Check the project, permissions and local law. Device names and logos belong to their owners; a listing does not imply their endorsement.

© 2026 Just Cobuild, Co.

Devices Mods Requests Defend Submit

Modder

J-cart

Builds mods for Nook owners.

J-cart on GitHub

Is this you? Sign in with GitHub

In short

Their mod has 3.9K stars on GitHub.

Built

OlauncherOpen the apps you install from the home screen