The Photographer's Ephemeris - TPE is a tool to help you plan outdoor photography in natural light, especially landscape and urban scenes. It is a map-centric sun, moon and milky way calculator: see how the light will fall on the land, day or night, for any location on earth.

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

SunCalc - Find out where the sun will be at any time in any location

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

SunIZup - SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and...

eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.