Alpine Email Client

If you're looking for a fast and user-friendly email client, then Alpine might be the answer you've been looking for. It caters to both inexperienced and experienced users, offering a seamless experience to all.

Alpine is based on the Pine Message System, which is also a product of University of Washington, making it a reliable choice. What's more is that you can easily learn and grasp the functionalities of Alpine through exploration, and even more so with context-sensitive help, which can be incredibly convenient.

For power users, Alpine offers a highly customizable user experience through its Setup command, making it perfect for those who like to tinker and personalize their software. The source code for building Unix, Windows, and web-based mail user agents is also included.

It's noteworthy to mention that Alpine was developed by the Department of Computing & Communications at the University of Washington, adding to its credibility. One thing to keep in mind is that Alpine is released under the Apache License V2.0, which is definitely worth having a look at.