📅 Calendar

Spend less time managing your day & more time enjoying it

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

Work smarter, not harder. Save 1 day/week with free customizable workflows. Get access to 40+ workflow templates such as Employee Recognition & Engagement. Simplify your day-to-day workflows, increase team productivity & add simplicity to your work.

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A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

Open Source

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

Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.

Organize your life — it’s about time!

All-in-one Calendar, Tasks & Scheduler. Morgen is the single hub for everything that revolves around time management.

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.

freemium

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

Cozi | Must-have app for the modern family

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

Open Source

Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.

Open Source

Powerful and easy to use calendar app for Android including weather, widgets and tasks.