Mini-Geek writes "MozillaZine is reporting that Lightning 0.1 is released. Lightning is a new Mozilla-made calendar extension for Mozilla Thunderbird that will eventually (once it becomes more mature and stable) be built into Thunderbird. From the article: 'The Lightning Project is a redesign of the Calendar component. Its goal is to tightly integrate calendar functionality (scheduling, tasks, etc.) into Mozilla Thunderbird.'"