Alternative apps to Mozilla Thunderbird:
  • 4.2 /5
    5 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.
    • Trial
    • Windows/macOS
  • 4.1
    18 votes
    Web-browser, advanced e-mail and newsgroup client, IRC chat client, and HTML editing made simple.
    • Freeware
    • Windows/macOS/Linux
  • 4.6
    32 votes
    Make your email incredible.
    • Freeware
    • Windows
  • 3.8
    72 votes
    Stay connected to your world with our most up-to-date e-mail and calendar tools.
    • Trial
    • Windows
  • 3.4
    7 votes
    Popular email client that allows to work with unlimited number of the mailboxes, and many more other features.
    • Shareware
    • Windows
  • 4.4 /5
    5 votes
    Manage multiple email accounts, calendars, and your contacts, even when you're offline.
    • Freeware
    • Windows
  • 5
    9 votes
    Free, standards-based electronic mail client suitable for use by single or multiple users on single computers or network.
    • Freeware
    • Windows
  • 5 /5
    4 votes
    Internet Mail is the software specifically designed for the Internet e-mail.
    • Shareware
    • Windows