Thunderbird Add-ons へようこそ。
Lightning 4.7.4 要再起動
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
Read the latest news and get information about known issues first by subscribing to our blog or following @mozcalendar on twitter.
Lighting 188.8.131.52 for Thunderbird 38 is available here
Lightning also supports older versions of Thunderbird like 24 or 31, please see the complete version history for details.