si.Mail Alternatives
si.Mail is described as 'Lightweight E-mail client, mbox support, numerous & unique advanced options' and is an app in the Office & Productivity category. There are seven alternatives to si.Mail for a variety of platforms, including Windows, Linux, BSD, Mac and PortableApps.com. 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).
- Free email application that’s easy to set up and customize - and it’s loaded with great features!. View 85 alternatives to Thunderbird
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
- Haiku
- Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks. View 134 alternatives to Microsoft Office Outlook
- Paid • Proprietary
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
- Apple Watch
- Android Wear
- Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration, intuitive... View 78 alternatives to Claws Mail
- 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. View 53 alternatives to Kontact - KMail
- Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). View 42 alternatives to Sylpheed
- The Bat! is a secure email client software, built to protect your correspondence against third-parties. View 59 alternatives to The Bat
- Paid • Proprietary
- Windows
- S/MIME
- OpenPGP
- 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. View 20 alternatives to Pegasus Mail