Atmail is a fully-featured email server and Webmail client, allowing users to send and receive email via a Web browser or mobile device. It has full support for IMAP mailboxes, and an optional email-server mode that uses EXIM as the MTA. Features include a scheduler, MySQL backend support, spell-check, address book, calendar user preferences, multiple accounts, SpamAssassin support, migration scripts from other mail servers, a customizable interface, an attractive AJAX interface, an optional group sharing Calendar/Addressbook, and an Outlook plugin to sync Contacts/Tasks/Calendar data between a Desktop, Mobile, and Webmail client or other email users.
Smart PHP Calendar is a Web based, multilingual event calendar. Smart PHP Calendar has four different views. You can define, edit, and delete your events in those views dynamically. Also, you can manage your calendar views, calendars, and calendar styles. Its event search capability lets you find your saved events easily.