**N1 is an open-source mail client built on the modern web with [Electron](https://github.com/atom/electron), [React](https://facebook.github.io/react/), and [Flux](https://facebook.github.io/flux/).** It is designed to be extensible, so it's easy to create new experiences and workflows around email. N1 is built on the Nylas Sync Engine, which is also [open-source free software](https://github.com/nylas/sync-engine).
You can download compiled versions of N1 for Windows, Mac OS X, and Linux (.deb) from [https://nylas.com/N1](https://nylas.com/N1). You can also build and run N1 on Fedora. On Arch Linux, you can install **[n1](https://aur.archlinux.org/packages/n1/)** or **[n1-git](https://aur.archlinux.org/packages/n1-git/)** from the aur.
Plugins lie at the heart of N1 and give it its powerful features. Building your own plugins allows you to integrate the app with other tools, experiment with new workflows, and more. Follow the [Getting Started guide](https://nylas.github.io/N1/getting-started/) to write your first plugin in five minutes. To create your own theme, go to our [Theme Starter guide](https://github.com/nylas/N1-theme-starter).
The Nylas N1 user interface is styled using CSS, which means it's easy to modify and extend. N1 comes stock with a few beautiful themes, and there are many more which have been built by community developers
- [Less Is More](https://github.com/nylas/N1/tree/master/internal_packages/ui-less-is-more) (designed by [Alexander Adkins](https://github.com/P0WW0W))
2. In Nylas N1, select `Developer > Install a Package Manually... `
3. Navigate to where you downloaded the theme and select the root folder. The theme is copied into the `~/.nylas` folder for your convinence
5. Select `Change Theme...` from the top level menu, and you'll see the newly installed theme. That's it!
Want to dive in more? Try [creating your own theme](https://github.com/nylas/N1-theme-starter)!
# Plugin List
We're working on building a plugin index that makes it super easy to add them to N1. For now, check out the list below! (Feel free to submit a PR if you build a plugin and want it featured here.)
- [Translate](https://github.com/nylas/N1/tree/master/internal_packages/composer-translate)—Works with 10 languages
- [Quick Replies](https://github.com/nylas/N1/tree/master/internal_packages/composer-templates)—Send emails faster with templates
- [Emoji Keyboard](https://github.com/nylas/N1/tree/master/internal_packages/composer-emoji)—Insert emoji by typing a colon (:) followed by the name of an emoji symbol
Note these are not tested or officially supported by Nylas, but we still think they are really cool! If you find bugs with them, please open GitHub issues on their individual project pages, not the N1 repo page. Thanks!
When you install packages, they're moved to ~/.nylas/packages, and N1 runs apm install on the command line to fetch dependencies listed in the package's package.json
You can configure N1 in a few ways—for instance, pointing it to your self-hosted instance of the sync engine or changing the interface zoom level. [Learn more about how.](https://github.com/nylas/N1/blob/master/CONFIGURATION.md)
