California
California is a new calendar application for GNOME 3. It’s currently under heavy development.
20 Alternatives To California
Apple Mail
There’s big news attached.
CalenGoo
Features | 1.0.175 for Android™
Calendar
Calendar is a time-management web application by Microsoft.
Calendar Lock PEA
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.
Etar
Material design open source calendar for Android.
Evolution
Apps/Evolution - GNOME Wiki!
GNOME Calendar
GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME…
Google Calendar
Spend less time managing your day & more time enjoying it
Jorte
Schedule books must be practical and has a good design.
Lightning Calendar
Organize your life — it’s about time!
Mailbird
Mailbird is the best email client for Windows 7, 8 and 10
Outlook
Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Rainlendar
Rainlendar - Customizable desktop calendar
Remember The Milk
Remember The Milk is a task and time management application for mobile devices.
Simple Calendar
A simple calendar with events (optional recurring and reminders), week numbers and a customizable…
SmartDay
Integrated organizer with automatic scheduling.
Task Coach
Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
Todoist
Todoist is a to-do list that helps you get organized, at work and in life.
Toodledo
Toodledo provides a set of tools to increase the productivity.
aCalendar
TAPIRapps. aCalendar and aCalendar+ for Android. The fastest Android calendar.