2
Thunderbird
Score: 100%
FreeOpen SourceWindowsMacLinux
More Thunderbird is a free, open-source, cross-platform email, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. Features:Free,Open,Source,Mac,Windows,Linux,BSD,
4
Score: 99%
FreemiumWebWindowsMacAndroidiPhone
More To manage as part of the Microsoft Office Suite, Outlook E-Mail, calendar, contacts, and tasks from the personal information manager that allows you. Features:Freemium,Mac,Windows,Web,Android,iPhone
Alternatives 6
Score: 99%
FreemiumWindows
More Mailbird e-mail, contacts, calendar, apps, task management, video meetings a communication platform allinone more than just an E-Mail client, and Features:Freemium,Windows
Alternatives 8
Score: 98%
FreeMaciPhoneiPad
More The big news is connected. OS X Yosemite on a Mac will be better with the best way to manage E-Mail better. Features:Free,Mac,iPhone,iPad
Alternatives 10
K-9 Mail
Score: 99%
FreeOpen SourceAndroid TabletAndroid
More K9 multi-folder sync, email signatures, Microsoft, return-address configuration, keyboard shortcuts, exchange support for Android is an open-source e-mail client Features:Free,Open,Source,Android,Android,Tablet
12
Score: 99%
FreemiumWindows
More A modern and easy-to-use interface eM Client is a full-featured E-Mail client. eM-Client, calendar, tasks, contacts and chat features. Features:Freemium,Windows
Alternatives 14
Score: 98%
CommercialWindowsMac
More Postbox helps you do things and to organise the life of an e-mail application. Elegance and simplicity of Apple Mail, but with more power Features:Commercial,Mac,Windows
Alternatives 16
Score: 98%
FreeWindowsMac
More Opera mail force organized fully, indexes, and queues messages. (Both automated and Bayesian) spam filtering, supports POP3 and IMAP, as messages Features:Free,Mac,Windows,
Alternatives 18
Score: 95%
FreemiumWebAndroidiPhone
More 6.8 E-Mail-webmail is a service built with the needs of modern business in mind. While catering for the business user, you can communicate in an effective way. Features:Freemium,Web,Android,iPhone
Alternatives 20
Score: 98%
FreeOpen SourceWindowsLinux
More Claws Mail-and News-Reader), GTK+ - based, this is a fast reaction with an elegant e-mail client interface, simple configuration and advanced Features:Free,Open,Source,Windows,Linux,BSD
Alternatives 22
Spark
Score: 94%
FreeMaciPhoneiPad
More With all the great features of the e-mail application: (Long/Short), beer, confectionery, cloud, and support for various E-Mail services (multiple) attachments.add Features:Free,Mac,iPhone,iPad,Apple,Watch
24
Score: 96%
CommercialMaciPhoneiPad
More The lighter the plane is the fastest E-mail client for Mac and Lightning. Unified inbox and folders-editable HTML pages with Multi-Account feature list: accounts: Features:Commercial,Mac,iPhone,iPad,Apple,Watch
Alternatives 26
Score: 95%
FreemiumWindowsMacLinux
More Improve the efficiency and mainspring Mac, Windows and Linux for a beautiful, fast E-Mail client, better you send an e-mail. An optional pivot is free to use and pro Features:Freemium,Mac,Windows,Linux,Arch,Linux,Fedora
Alternatives 28
Score: 89%
CommercialMaciPhoneiPad
More A beautiful native e — mail app for the desktop and mobile the most powerful productivity platform. Features:Commercial,Mac,iPhone,iPad
Alternatives 30
Microsoft Mail and Calendar
Score: 84%
FreeWindows
More There are E-Mail and calendar apps in Windows 10 is already integrated. With the Mail app, now you can easily see every message that comes Features:Free,Windows,Windows,S
Astro 1 alternatives FAQ
What is the best Astro 1 alternative?
Thunderbird is currently the top-ranked option on this list based on community votes and item score.
Are there free Astro 1 alternatives?
Yes. Free, freemium, or open-source options in this list include Thunderbird, Microsoft Office Outlook, Mailbird, Apple Mail, K-9 Mail.
Which platforms are covered?
The alternatives in this list include options for Mac, Windows, iPhone, iPad, Android +3, depending on each product.
How are alternatives ranked?
Alternatives are ordered by community voting signals, item score, and the available product details collected for each option.