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

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

  3. 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.

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

  5. RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

    freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

  6. There’s big news attached.

  7. Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs

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

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

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

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

  12. Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues