Nylas N1 – The Extensible, Open Source Mail Client

N1 is an open-source mail client built on the modern web with Electron, React, and 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. Plugins lie at the heart of N1 and give it it’s powerful features. Building your own plugins allows you to integrate the app with other tools, experiment with new workflows, and more.

N1 is compatible with hundreds of email providers, including Gmail, Yahoo, iCloud, Microsoft Exchange, and more. It’s a desktop app that can run offline, and feels great on Mac, Windows, and Linux. N1 is for everyone. N1 is designed for extensibility, and includes a JavaScript plugin architecture that enables anyone to create powerful new features. Plugins can add buttons, sidebars, composer elements, or remix the entire UI. And if plugins aren’t enough, the N1 codebase is also open source free software. Developers, start your engines.

Requirements: –
Demo: https://www.nylas.com/N1/
License: GPL v3 License