Apple Calendar
Calendar is a personal calendar app made by Apple Inc. that runs on both the macOS desktop operating system and the iOS mobile operating system.
18 Alternatives To Apple Calendar
Airmail
Airmail is a lightweight and lightning fast mail client for Mac.
Apple Mail
There’s big news attached.
Blotter
Did you ever mark something in your calendar only to forget to check the calendar?
Cal
What if your Google Calendar was designed to make you more productive?
Evolution
Apps/Evolution - GNOME Wiki!
Google Calendar
Spend less time managing your day & more time enjoying it
Kontact
Kontact is the integrated Personal Information Manager of KDE.
Outlook
Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
PieSync
Seamless two-way sync between your CRM, marketing apps and Google in no time
Postbox
The Power Email App for busy professionals, like you.
Remember The Milk
Remember The Milk is a task and time management application for mobile devices.
Square Appointments
Add an online booking link. Easily embed the customizable widget directly on your website. Any changes to your online scheduling, prices, or services update automatically.
StrawPoll Meetings
StrawPoll Meetings offers a simple interface to create polls that can be used to schedule meetings. With two simple steps, your next meeting is scheduled in seconds.
Sunrise
Sunrise is a service desk management software for organisations, supporting both internal & external customers.
Sunrise Calendar
It’s almost time to say goodbye As some of you might already know, we were acquired by Microsoft last year and have now moved on to work on Outlook for iOS and Android.
aCalendar
TAPIRapps. aCalendar and aCalendar+ for Android. The fastest Android calendar.
eM Client
eM Client is a Windows-based email client for sending and receiving emails, and managing calendars, contacts and tasks.