Mailbird Alternatives

K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email. K-9 Mail is designed for both novice and power users and offers lots of features for everyone. It provides features like Push IMAP Support, GPG & PGP/MIME support, Per Account Notifications, Unified Inbox, White and Dark Theme, and Signatures.

Apple Mail is email client built specifically for the Apple eco-system. You can use Apple Mail on your mobile iOS device or your macOS desktop or laptop. It provides all the features needed to communicate effectivley via email, such as view and manage your favorite mailboxes right in the Mail sidebar, search for emails, it's easy to see which mailboxes are being searched and quickly select different mailboxes, easily view and sort messages in column layou and quickly open and use tabs in the Mail window.

Arguably the most popular email service in the world, Gmail provides a email inbox for over 1.5 billion users. With Gmail you can create an email account for free that manages emails and contacts in the same application. Gmail is web-base but provides clients for mobile devices and supports third-party programs that synchronize email content through POP or IMAP protocols.

A free an open-source email client developed openly by the Mozilla Foundation and the community. Thunderbird is easy to setup and customize and supports POP and IMAP. The email client comes with all features needed to search, filter, write and manage emails, but also have builtin support for live chat between contact and RSS/Atom feed reader.

Microsoft Outlook is a freemium personal email service and email client created by Microsoft. Microsoft Outlook does not scan your email for the purpose of serving you ads. The Microsoft Outlook email client allow you to be productive and stay connected from your home, on the go, and everywhere in between. Microsoft Outlook also integrates well with other Microsoft service allowing you to reach an eco-system of productive apps from within your mail client, be it in the browser or natively on your computer or mobile device.

Mailspring is a desktop email client designed for macOS, Linux and Windows. It provides modern features like unified inbox, snoozing, templates, offline search, and support for Gmail labels. With Mailspring you can breath fresh air into your mailbox with support for various third-party IMAP provides such as Gmail, Office 365 and Microsoft Outlook. Mailspring intuitive features like read receipts, link tracking, send later, reminders, contact profiles and more.

Yahoo Mail is an online email service provider that is used by over 225 million users. With Yahoo Mail you can send and recive emails and have an organized inbox thanks to an intuetive interface that allow to categorize and move your communications based on type. Yahoo Mail can be customized and themed according your liking, and got built in support for media such as images, files and GIFs.

Yandex.Mail is an online email provider by the Russian internet giant Yandex. With Yandex.Mail you get secure protection from viruses and spam, mail sorting, highlighting of email from real people, free 10 GB of cloud storage on Yandex.Disk, beautiful themes.

World's largest secure email service providing end-to-end encrypted email accounts. ProtonMail is based in Geneva, Switzerland and protected by Swiss privacy laws. The software is openly developed with fully open source code.