Mailplane Alternatives

Dedicated Gmail client with clean integration of Google Calendar, Contacts, Google Drive, and...

Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps

freemium

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Airmail is a lightweight and lightning fast mail client for Mac.

A desktop email client for your Mac, without a browser !

The powerful productivity browser like no other, multi-account sign-in, tab sleeping, groups & pins

Open Source freemium $8.32 / Monthly

Unibox is an application that aims to completely overhaul your email experience. Unibox resorts your email so that you can group the messages you receive by their sender. Read more about Unibox.

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Mailbird is the best email client for Windows 7, 8 and 10

MailTab for Gmail is the ideal app for instantly accessing your Gmail account without having to open your web browser.

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

freemium

Kill The Tabs - Faster, Better Gmail for Mac, with native Calendar, Keep, and Contacts apps

multi-channel inbox service for collaborative teams