Mozilla Lightning - Calendar Addon for Thunderbird
Filed in: Downloads, Mozilla — August 13th, 2007
Mozilla Thunderbird is a great email client but it lacks of calendar functionality (scheduling, tasts, etc) like Microsoft Outlook. Lightning is a free calendar extension that tightly integrated with Thunderbird.
The latest version is Lightning 0.5 (download).

Image: Mozilla Lightning calendar
I installed Lightning 0.5 for Thunderbird on Mac. It runs smoothly and automatically import iCal (can import Google calendar with addon). Lightning adds a small calendar view and list of agenda, to-do, and calendars at the bottom of Thunderbird sidebar. It allows seamless switching between email accounts and calendar.

Image: Editing event in Mozilla Lightning calendar
Lightning is a perfect calendar add-on for Thunderbird. It is still in early development stage. More features have planned for future releases, such as email-to-task linkage, address book integration, device synchronization, etc.
My two cents
As a Thunderbird fan, I am glad to know a calendar for Thunderbird is under active development. I had minor problem with Lightning as it takes 2-3 seconds to open event editing window. I believe it will be improved and am looking forward for Lightning 1.0.
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August 13th, 2007 at 8:58 pm
the calender colour is so nice.
August 13th, 2007 at 8:59 pm
your birthday is august 19 th??????
August 13th, 2007 at 11:15 pm
@angeline: yes, my birthday is 19th august
August 14th, 2007 at 2:39 am
CF, ur purpose of this entry is….. haha, kidding.
It looks like a good add on, will try it out, since im also using Thunderbird.
August 14th, 2007 at 3:51 am
*cough* now you know what to add to your calendar for 19 August
August 14th, 2007 at 5:58 am
To be honest, Thunderbird is till way behind Outlook. it lacks synchronize abilities with mobile devices, PDA, not to metion Outlook superior on Exchange support.
Just a thought!
August 14th, 2007 at 3:20 pm
A physical Organizer is the best.
Need to turn on your PC to cheque on the schedule.
More practical.