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Mozilla Lightning Project 4.7.8

An efficient tool that will help you organize your events and schedule

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Mozilla Lightning Project screenshotMozilla Lightning Project is a simple but powerful software application that will assist you in organizing your schedule and important life events using a fully integrated calendar into your Thunderbird email. This tool allows you to create to-do lists, subscribe to various public calendars, manage multiple calendars and invite friends or family to your events.

By using Mozilla Lightning Project you will never forget about important meetings or events, you will save precious time and you will increase your productivity. This tool is also extremely easy to use and to understand, providing a simple, intuitive and clutter-free interface. You can also attach various items to your calendar entries and events.

Mozilla Lightning Project requires Thunderbird (version 37 and newer) or SeaMonkey (2.34 and higher). It runs on Microsoft Windows XP, 2003, Vista, 7, 8 and 8.1.


  • The interface looks good and is intuitive.
  • Allows you to use multiple calendars.


  • Integration with GMail may be a little difficult for beginners.
  • The calendars must be downloaded separately.
Name Mozilla Lightning Project
Version 4.7.8
Developer | see all products from this developer
Product Homepage Mozilla Lightning Project
License Free (Freeware)
Last Week Downloads 6
All Time Downloads 2,084
Filename lightning-4.7.8-sm+tb-windows.xpi
Filesize 4.6MB
MD5 Checksum 6D7C196D543C94BE5148C5ADF28146EF
OS Support Windows All
Category Home & Education

100% CLEAN Certification

BadgeMozilla Lightning Project has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
Mozilla Lightning Project 4.7.8 April 18, 2017 - Latest Version
Mozilla Lightning Project July 24, 2015
Mozilla Lightning Project 4.0 Beta 3 May 20, 2015
Mozilla Lightning Project 3.9 Beta 1 March 16, 2015
Mozilla Lightning Project 3.8 Beta 2 March 13, 2015

Download the free Mozilla Lightning Project