Alternative apps to Opera Mail:
  • 3
    55 votes
    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
  • 4.4
    7 votes
    Take control of your day with Postbox’s clean and super-customizable interface. Make your email work for you, just the way you need it to.
    • Free to Try
    • Windows/macOS
  • 3.9
    21 votes
    Web-browser, advanced e-mail and newsgroup client, IRC chat client, and HTML editing made simple.
    • Freeware
    • Windows/macOS/Linux
  • 5 /5
    4 votes
    Internet Mail is the software specifically designed for the Internet e-mail.
    • Free to Try
    • Windows
  • 4.8 /5
    5 votes
    Claws Mail is an email client (and news reader), based on GTK+. User friendly, lightweight and fast.
    • Freeware
    • Windows/Linux
  • 4.8
    8 votes
    All your email in one place.
    • Freeware
    • Windows/macOS