Thunderbird
Open Source
Thunderbird is a open source mail client developed and maintained by Mozilla foundation.
Apple Mail
Free
Apple Mail is an email client included with the operating systems macOS, iOS and watchOS by Apple Inc.
K-9 Mail
Open Source
K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures.
Mailspring
Freemium
Mailspring is a multi-platform email client.
Geary
Open Source
Geary is an email application built around conversations, for the GNOME 3 desktop. It allows you to read, find and send email.
Sylpheed
Open Source
Sylpheed is an open-source e-mail client and news client licensed under the GPL.
Spark
Free
Spark is a fast, smart mail manager app.
Microsoft Mail and Calendar apps help you stay up to date on your email, manage your schedule and stay in touch with people you care about the most.
Foxmail
Free
Foxmail is a freeware e-mail client.
Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
eM Client
Free Personal
eM Client is a Windows based e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.
Evolution
Open Source
Evolution is the official personal information manager for GNOME.
Claws Mail
Open Source
Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features.
The Bat
Commercial
The Bat! is an email program for Windows that protects the correspondence and empowers the users to handle large amounts of emails quickly and efficiently.
OpenProject
Open Source
OpenProject is a web-based project management system for location-independent team collaboration.
Polymail
Freemium
Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform.
MailMate
Commercial
MailMate is an IMAP email client for macOS featuring extensive keyboard control, Markdown integrated email composition, advanced search conditions.
TypeApp
Free Personal
TypeApp is a mobile email client app.
Compare Opera Mail with alternatives
Compare Thunderbird and Opera Mail and decide which is most suitable for you.
Compare Microsoft Office Outlook and Opera Mail and decide which is most suitable for you.
Compare Apple Mail and Opera Mail and decide which is most suitable for you.
Compare eM Client and Opera Mail and decide which is most suitable for you.
Compare K-9 Mail and Opera Mail and decide which is most suitable for you.
Compare Evolution and Opera Mail and decide which is most suitable for you.
Compare Mailspring and Opera Mail and decide which is most suitable for you.
Compare Claws Mail and Opera Mail and decide which is most suitable for you.
Compare Sylpheed and Opera Mail and decide which is most suitable for you.
Compare OpenProject and Opera Mail and decide which is most suitable for you.
Compare Polymail and Opera Mail and decide which is most suitable for you.
Compare Microsoft Mail and Calendar and Opera Mail and decide which is most suitable for you.
Compare MailMate and Opera Mail and decide which is most suitable for you.