WebPG
WebPG is a free, open source suite of tools to bring https://alternativeto.
The Bat
The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.
Niice
Show what your brand is made of – Niice helps in-house creative teams create, grow and manage their brand.
IceWarp
IceWarp integrates all communication & collaboration features in one unified solution.
Kontact – KMail
Email client by KDE, supporting POP3 and IMAP mailboxes.
InvGate Service Desk
InvGate Service Desk is a web-based ITIL-ready solution with an unprecedented user interface.
Cypht
All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
StartMail
Take back your email privacy today with StartMail, encrypted email made easy. Secure email service protected by Dutch privacy laws to keep your data safe.
AfterLogic Webmail Lite
Open Source
WebMail Lite is a free community edition of full-featured WebMail Pro server applicatio…
GPGMail
GPGMail is an open source plugin for Apple Mail.
