# Frontend Extensions in Notebook 7

```{warning}
Any extension developed for Notebook \< 7 or NbClassic will not be
compatible with Notebook 7 and upwards.

Some extensions like nbgrader have already been ported. We invite you to
check if the extensions you are using have already been ported.
```

You can check the following resources to see if your extension is available for Notebook 7:

## List of available Notebook 7 extensions

To get an idea of the extensions available for Notebook 7, you can check the following resources:

- [List of JupyterLab extensions][list of jupyterlab extensions]
- [Awesome Jupyter][awesome jupyter]

These resources are for JupyterLab, but many of them are compatible with Notebook 7 since Notebook 7 is based on JupyterLab.

[list of jupyterlab extensions]: https://jupyterlab-contrib.github.io/extensions.html
[awesome jupyter]: https://github.com/markusschanta/awesome-jupyter#jupyterlab-extensions

## JupyterLab equivalent extensions to the Classic Notebook

The `jupyterlab-contrib` organization maintains a list of extensions to ease the transition from the Classic Notebook to Notebook 7 and / or JupyterLab.

The list is available at the following URL: [Migrating from the Classic Notebook][migrate from classic]

![a screenshot showing extensions in classic and lab](https://user-images.githubusercontent.com/591645/229616855-94d34762-6666-4edd-a969-e85b285d7094.png)

[migrate from classic]: https://jupyterlab-contrib.github.io/migrate_from_classical.html