The Best 37 Calendar Alternatives

  • Lightning Calendar icon

    Lightning Calendar

    Organize your schedule and events in a calendar fully integrated with Thunderbird or Seamonkey email. .

    Free Open Source Mac OS X 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 school, a third for work, and so on.

    Free Mac OS X iPhone iPad iCloud

  • Simple Calendar

    A simple calendar with events (optional recurring and reminders), week numbers and a customizable widget. It provides a yearly, monthly, daily view. It's fully...

    Free Open Source Android Android Tablet

  • GMinder

    GMinder is a reminder program that waits in your system tray and alerts you when you have an upcoming Google Calendar event. GMinder supports multiple calendars and allows you to configure how you want to be alerted.

    Free Open Source Windows

  • Cozi

    Cozi is a free online calendar that helps families coordinate activities. See who needs to be where and when, be reminded of upcoming appointments, and print your calendar by week or month.

    Free Android iPhone Android Tablet iPad Web Kindle Fire Blackberry Windows Phone

  • CalenGoo

    calengoo gives you a fast and easy way to access and change your google calendar (or google apps calendar) with your android device. it can either work with the built-in calendar or it can sync directly with google.

    Commercial Android iPhone Android Tablet iPad Android Wear

  • Yahoo! Calendar

    You can view an entire month or focus on a specific date and time. You can also assign colors for different calendars and to-do lists, and drag-and-drop events...

    Free Web

  • 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 forget them again. Events include weather forecast for better planning.

    Free Mac OS X Windows Linux Android Windows Phone

  • DigiCal

    BEAUTIFULLY DESIGNED DigiCal’s diary planner and organizer provides a clear and beautiful overview for your events and appointments.

    Free Android Android Tablet

  • MineTime

    MineTime is a free, modern and multi-platform calendar application. It connects to several calendar providers (including Google Calendar, Microsoft Exchange and Outlook.

    Free Mac OS X Windows Linux

  • YouCanBook.Me

    YouCanBook.me is booking software that integrates with your Google or iCloud Calendar. Get a personalized scheduling page so your customers can book you online. How the tool works: 1. Get your personalized scheduling page 2.

    Commercial Web

  • GCalToolKit

    Google Calendar Repair, Editing & Maintenance: Delete Duplicates, multiple edit and delete, search/replace, undo failed import and sync and more!.

    Freemium Mac OS X Windows Web

  • Visual Calendar for Tablets

    Visual Calendar will change the way you plan your life. Visually link the things you plan to do, creating logical chains.

    Commercial Android Android Tablet

  • OneView Calendar

    OneView Calendar is an innovative take on the calendar using a proportional and infinitely zoomable timeline. Days on the calendar are proportionally sized with weeks to...

    Freemium Android Android Tablet Web