With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invi ...

Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey em ...

Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to ...

fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contact ...

Calendly Schedules Meetings with Others Based on Your Availability.

Cozi is a free online calendar that helps families coordinate activities. See who needs to be where and when, be reminded of u ...

woelkli is a service that provides secure cloud storage hosted in Switzerland. Save, view, edit and share your files from anyw ...

Business Calendar for Android is a complete calendar application that synchronises with your Google calendars. Main Features:

KOrganizer is the calendar and scheduling component of Kontact, the integrated personal information manager from KDE.

An offline calendar without any other calendar integration. You can easily create recurring events and setup reminders, it can ...

Why? Well, I wanted a simple, material designed and state of the art open source calendar that anyone can make it better. Spec ...

Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and n ...

Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications und ...

Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar:

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