Lightning Calendar

Lightning Calendar is an open-source calendar app created by Mozilla that helps you organize your schedule and events in a fully integrated calendar with your Thunderbird email.

More Details

Lightning Calendar allows you to manage multiple calendars, create your daily to-do list, invite friends to events, and subscribe to public calendars.

Lightning Calendar is an extension to Mozilla Thunderbird, so you need to be a Thunderbird user in order to use it.

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Tool ID

🎁 Free Tool
📖 Open Source

Plugin
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Use in: Thunderbird