Alternatives to Google Calendar for all platforms with any license

  • Lightning icon

    Lightning

    Lightning brings the Sunbird calendar to the popular email client, Mozilla Thunderbird...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

  • Apple Calendar icon

    Apple Calendar

    Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for...

    Free Mac iPhone iPad iCloud

  • Rainlendar icon

    Rainlendar

    Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application...

    Freemium Mac Windows Linux

  • Sunrise Calendar icon

    Sunrise Calendar Discontinued

    Sunrise is a free calendar made for Google Calendar, iCloud and Exchange. Sunrise also connects with all your favorite apps like...

    Free Mac Web / Cloud Android iPhone Chrome OS Android Tablet ... iPad Apple Watch

  • Kolab Community icon

    Kolab Community

    Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

    Open Source Linux Web / Cloud Self-Hosted

  • Jorte icon

    Jorte

    Schedule books must be practical and has a good design. You may look for personal organizer at the stationary shops to meet these...

    Freemium Windows Android

  • Kontact icon

    Kontact

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

    Open Source Windows Linux

  • Business Calendar icon

    Business Calendar

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

    Freemium Android Android Tablet

  • Calendar icon

    Calendar

    Calendar, part of Office Online , is a time-management web application by Microsoft. With...

    Free Web / Cloud

  • Calvetica icon

    Calvetica

    The fast calendar for iPhone. Add an event in just two quick taps. See how full your week or day is at a glance. It works with the...

    Commercial iPhone

  • todoyu icon

    todoyu

    todoyu is an extendable, web-based, open source project and task management system. It is geared to the needs of SMEs, tailored to...

    Open Source Mac Windows Linux Web / Cloud

  • aCalendar icon

    aCalendar

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

    Free Android

  • VueMinder Calendar icon

    VueMinder Calendar

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

    Freemium Windows

  • fruux icon

    fruux

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

    Freemium Web / Cloud

  • UKs Kalender icon

    UKs Kalender

    This program helps you organizing your dates and tasks and reminds you of upcoming events.

    Free Windows

  • Coolendar icon

    Coolendar Discontinued

    Coolendar is not only a calendar or a to-do list: it's a whole new planning experience! We believe it is time for a new level of...

    Free Web / Cloud

  • BusyCal icon

    BusyCal

    Share Calendars on a LAN and sync with Google Calendar. BusyCal combines a beautiful, personal desktop calendar with an award...

    Commercial Mac

  • Kontact - KOrganizer icon

    Kontact - KOrganizer

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

    Open Source Linux KDE

  • Etar Calendar icon

    Etar Calendar

    Material designed open source calendar on Android.

    Open Source Android Android Tablet

  • Maya icon

    Maya

    Maya is a slim, lightweight, GCal-syncing GTK+ Calendar application written in Vala, specifically for elementary OS . Also looks and...

    Open Source Linux

  • MIDAS icon

    MIDAS

    MIDAS (http://mid.as/) is a powerful yet intuitive browser-based scheduling system that gives you complete control over your room...

    Commercial Web / Cloud Self-Hosted

  • 30 Boxes icon

    30 Boxes

    30 Boxes is an online calendering tool.

    Free Web / Cloud

  • DHTMLX Scheduler .NET icon

    DHTMLX Scheduler .NET

    Ajax enabled calendar control to build feature-rich event and booking calendars and schedulers in ASP.NET MVC and Web Forms.

    Commercial Web / Cloud

  • When I Work icon

    When I Work

    Online employee scheduling from When I Work is easy and fast. Send email and text message alerts about upcoming shifts and schedule...

    Commercial Web / Cloud Android iPhone

  • Active Desktop Calendar icon

    Active Desktop Calendar

    This application is a software calendar with appointments notes, tasks, alarms and contacts that provides seamless integration and...

    Commercial Windows

  • Woelkli icon

    Woelkli

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

    Freemium Mac Windows Linux Web / Cloud Android iPhone

  • Holiline Reminder icon

    Holiline Reminder

    Holiline Reminder is both an event reminder and a calendar. Holiline’s aim is to ensure that you do not forget about a friend’s...

    Free Windows

  • Dials icon

    Dials

    Dials' unique clock-based view of your day is easier and faster to view than the standard “list view” format other mobile...

    Free iPhone

  • Cozi icon

    Cozi

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

    Free Web / Cloud Android iPhone Blackberry Android Tablet Windows Phone ... iPad Kindle Fire

  • California

    California is a new calendar application for GNOME 3. It's currently under heavy development.

    Open Source Linux

  • ABC Birthday Reminder icon

    ABC Birthday Reminder

    Missing a dental appointment is an unpleasant thing, missing a scheduled call to your client overseas puts you into an even more...

    Commercial Windows

  • BORG Calendar icon

    BORG Calendar

    BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list....

    Open Source Windows Linux

  • OrgCalendar icon

    OrgCalendar

    A fully-functional scheduling WEB-application. The easy way for any organization to have a Internet-calendar within minutes! You...

    Commercial Web / Cloud

  • Ominder icon

    Ominder

    Keep track of all your Events with free SMS and Email notifications. Store and organize your Events and To-do on Ominder and never...

    Free Mac Windows Linux Android Windows Phone

  • Alarms icon

    Alarms Discontinued

    Intuitive task management/reminder app for the Mac. Just drag the items you want to be remembered of to the Alarms menu and place...

    Commercial Mac

  • These alternatives are not yet approved, do you think they are alternatives?