K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.

K-9 Mail

Android

Android Tablet

F-Droid

<p>Open source Android email client with support for multi-folder sync, keyboard shortcuts, and more.</p>

desktop

mobile

tablet

browser

console

wearable

indie

custom

Windows

Online

Linux

iPhone

iPad

Self-Hosted

Software as a Service (SaaS)

Chrome OS

Windows Phone

Google Chrome

Firefox

Steam

Kindle Fire

Blackberry

Windows Mobile

Windows S

Wordpress

Apple Watch

PortableApps.com

Magento Community Edition

Apple TV

Opera

Xbox

Playstation

Android Wear

Safari

Java Mobile

Symbian S60

JavaScript

Wine

Blackberry 10

Xfce

Python

Node.JS

Facebook

Java

Haiku

HP webOS

Slack

.NET Framework

Raspberry Pi

Microsoft Office Outlook

Shopify

Internet Explorer

Apps with 'One view multiple accounts' feature

K-9 Mail