Alternative apps to Opera Mail:
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Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features.
- Freeware
- Windows, macOS, Linux
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Web-browser, advanced e-mail and newsgroup client, IRC chat client, and HTML editing made simple.
- Freeware
- Windows, macOS, Linux
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Internet Mail is the software specifically designed for the Internet e-mail.
- Free to Try
- Windows
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Claws Mail is an email client (and news reader), based on GTK+. User friendly, lightweight and fast.
- Freeware
- Windows, Linux
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Make your email work for you and take control of your day with Postbox's clean and customizable email client.
- Free to Try
- Windows, macOS