AlternativeTo Logo

    Lightning Calendar Alternatives

    Lightning Calendar is described as 'Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars' and is a very popular Calendar in the Office & Productivity category. There are more than 50 alternatives to Lightning Calendar for a variety of platforms, including Windows, Linux, Online / Web-based, iPhone and Mac. The best alternative is Google Calendar, which is free. Other great apps like Lightning Calendar are Calendar Lock PEA (Free, Open Source), Etar (Free, Open Source), Microsoft Mail and Calendar (Free) and Simple Calendar (Freemium, Open Source).

    This page was last updated May 5, 2022
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Thunderbird
    • SeaMonkey
    Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey...
    Learn more about Lightning Calendar

    1. With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.
      Google Calendar vs Lightning Calendar opinions
      Some users think Google Calendar is a great alternative to Lightning Calendar, some don't.
      Google Calendar only shows Google Calendar, Lightning shows, and syncs with, any Calendar you want.
      Negative comment about 1 year ago

      ThunderFox Google Calendar is a calendar provider, while Lightning syncs with your calendars to display them all together. Kind of like how you can have a Gmail account, but Gmail is not the same as Apple Mail.
      Negative comment over 1 year ago

    2. Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
      Almost everyone thinks Calendar Lock PEA is a great alternative to Lightning Calendar.

    3. Material design open source calendar for Android.
    4. A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.

    5. Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can run it on all major operating systems: Windows, Linux and Mac OS X.
    6. 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. See all your calendars in a single window or choose to see only the calendars you want.
    7. The Calendar app is a user interface for Nextcloud's CalDAV server. Easily sync events from various devices with your Nextcloud and edit them online.
    8. The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
    9. Morgen is a modern and multi-platform calendar application. It connects to several calendar providers (including Google Calendar, Microsoft Exchange,, iCloud) and provide advanced scheduling features powered by Artificial Intelligence.
    Showing 10 of 72 alternatives