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The Sunbird Project is a redesign of the Mozilla Calendar component. Our goal is to produce a cross platform standalone calendar application based on Mozilla's XUL user interface language. At the moment the "Sunbird" name is a project name. It is not official and may change in the future.

Our intended user is someone who uses Mozilla Firefox and Mozilla Thunderbird and wants a calendar application based on Mozilla.

In addition, by focusing solely on standalone calendar, we believe we can make some dents in the overall footprint and performance of the calendar application by removing components and chrome we don't more...

What's New

Version 1.0b1:
  • You can now define multiple alarms for a single event
  • CalDAV support and interoperability with various CalDAV servers have been improved
  • The application stability, performance and memory consumption have been improved


Mac OS X 10.2 or later

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4 3


Current Version (1.x)


Downloads 9,654
Version Downloads 3,230
License Free
Date 31 Mar 2010
Platform OS X / PPC 32 / Intel 32
Price Free
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