The Nylas SDK allows you to create powerful extensions to Nylas Mail, a mail client for Mac OS X, Windows, and Linux. Building on Nylas Mail saves time and allows you to build innovative new experiences fast.
Packages lie at the heart of Nylas Mail. Each part of the core experience is a separate package that uses the Nylas Package API to add functionality to the client. Learn more about packages and create your first package.
* [Accessing the Database](http://nylas.github.io/nylas-mail/docs/Database.html)
* [Draft Store Extensions](http://nylas.github.io/nylas-mail/docs/DraftStoreExtension.html)
#### Debugging Packages
Nylas Mail is built on top of Electron, which runs the latest version of Chromium. Learn how to access debug tools in Electron and use our Developer Tools Extensions:
* [Debugging in Nylas](http://nylas.github.io/nylas-mail/docs/Debugging.html)
#### Questions?
Need help? Check out the [FAQ](https://support.nylas.com/hc/en-us) or post a question in the [slack channel](http://slack-invite.nylas.com/).