Unibox

Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list. Features: - Unibox supports IMAP servers:...

Commercial Mac OS X

Kiwi for Gmail

Dedicated Gmail client with clean integration of Google Calendar, Contacts, Google Drive, and Google Docs, Sheets, and Slides.

Freemium Mac OS X Windows

Simple Mail

Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside Firefox. Usage: Configure one or...

Free Mac OS X Windows Linux Firefox

Taskbox - Mail

Your inbox is already a task list - make it a great one. Taskbox allows you to manage your tasks and todos where they already are -- your inbox -- without forwarding or...

Commercial iPhone

Mynigma

Mynigma is a new kind of email client with built-in encryption.

Free Personal Mac OS X iPhone iPad

TrulyMail

TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.). Features: Spell checking in nine...

Free Windows

.Mail

Email client with standard functionalities plus - easy to use actionsteps - centralized attachments - integrated notification

Free Mac OS X

Mailsmith

A standards-based email client.

Free Mac OS X

PersonaMail

Persona is an email client that was designed to change the perception and experience of sending and receiving emails.

Free Mac OS X