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Outlook, part of the Microsoft Office suite, is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

Based on Thunderbird but Postbox is not open source. "A new way to work with email Postbox offers powerful new ways to find, use, and view email messages and content, …

Sparrow is a minimalist mail application for Mac. It was designed to keep things simple and efficient. No fancy stuff here... just your mail and nothing else. Sparrow supports all …

The shareware e-mail client has been developed by a Moldavian company. The Bat supports IMAP and POP3 and has integrated S/MIME as well as PGP and supports external GPG. The …

Banckle Email is a business email solution supporting multiple protocols, video email, text and video chat. Considering your business needs, the email communications are SSL secured and its advanced search...

Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi Account with editable html signatures. - Aliases management with …

You like threaded conversations, googling your inbox, and you prefer labels over folders. You really love Gmail. If yes: You've come to the right place. Continue to use the Gmail …

Experience intuitive email with a simple, task-oriented approach. Quickly manage and productively organize your Inbox with Mail Pilot for Mac®, iPhone® + iPad®.

Lotus Notes is a client-server, collaborative application developed and sold by IBM Software Group. IBM defines the software as an "integrated desktop client option for accessing business e-mail,...

ProfiMail is a powerful email client for mobile phones. It allows you to read your mail on the go, and send text with attachments directly from your phone. Send photos, …

GyazMail is a email client software for Mac OS X, based on Cocoa framework, simple, easy-to-use with many features.