AlternativeTo Logo

    si.Mail Alternatives

    si.Mail is described as 'Published under GPL (you don’t have to pay for it if you are using it, full source code availability)' and is a Email Client in the Office & Productivity category. There are seven alternatives to si.Mail for a variety of platforms, including Windows, Linux, BSD, Mac and The best alternative is Thunderbird, which is both free and Open Source. Other great apps like si.Mail are Microsoft Office Outlook (Paid), Claws Mail (Free, Open Source), Kontact - KMail (Free, Open Source) and Sylpheed (Free, Open Source).

    This page was last updated May 27, 2017
    • FreeProprietary
    • Windows
    Published under GPL (you don’t have to pay for it if you are using it, full source code availability)
    Learn more about si.Mail

    1. Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
    2. Microsoft Outlook, part of the Microsoft Office Suite (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

    3. KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

    4. The Bat! is a secure email client software, built to protect your correspondence against third-parties.
    5. Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks.
    Showing 7 of 7 alternatives