Claws Mail

Claws Mail is an email client (and news reader), based on GTK+,

featuring

Quick response

Graceful, and sophisticated interface

Easy configuration, intuitive operation

Abundant features

Extensibility

The appearance and interface are designed to be familiar to new users

coming from other popular email clients, as well as experienced users.

Almost all commands are accessible with the keyboard.

The messages are managed in the standard MH format, which features fast

access and data security. You'll be able to import your emails from

almost any other email client, and export them just as easily.

Lots of extra functionality, like an RSS aggregator, calendar, or laptop

LED handling, are provided by extra plugins.

Claws Mail is distributed under the GPL.