1. Organize your schedule and share events with friends without hassle. With Google's free online calendar, it's easy to keep track of life's important events all in one place.

  2. Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

  3. Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

  4. Gmail is a free search-based web-mail service.

  5. There’s big news attached.

  6. Mailbird is the best email client for Windows 7, 8 and 10

  7. The Power Email App for busy professionals, like you.

  8. eM Client is a Windows-based email client for sending and receiving emails, and managing calendars, contacts and tasks.

  9. Keep track of your busy schedule and share it with others using Calendar.

  10. Secure email with absolutely no compromises. Get your free encrypted email account today.

  11. Apps/Evolution - GNOME Wiki!

  12. Airmail is a lightweight and lightning fast mail client for Mac.