Online calendars are a good way to keep track of your appointments. Since I use Yahoo quite often, I signed up for its personalized home page which includes a calendar, e-mail and other features.

Lightning Calendar: Best Calendar Software Lightning Calendar, a business calendar software add-on for Mozilla’s Thunderbird email manager and Seamonkey application suite, is a great choice if you use ...

SAN FRANCISCO - Google on Monday began synchronizing its free online calendars and Gmail contact lists with smart phones using software licensed from arch-rival Microsoft.