GNOME Evolution is the official personal information manager for GNOME. It has been an official part of GNOME since Evolution 2.0 was included with the GNOME 2.8 release in September 2004. It combines e-mail, address book, calendar, task list and note-taking features. Its user interface and functionality is similar to Microsoft Outlook. Evolution is free software licensed under the terms of the GNU Lesser General Public License (LGPL).

Evolution delivers the following features:

• E-mail retrieval with the POP et IMAP protocols and e-mail transmission with SMTP
• Secure network connections encrypted with SSL, TLS et STARTTLS
• E-mail encryption with GPG et S/MIME
• E-mail filters
• Search folders: saved searches that look like normal mail folders as an alternative to using filters and search queries
• Automatic spam filtering with SpamAssassin et Bogofilter
• Connectivity to Microsoft Exchange Server, Novell GroupWise et Kolab^[8] (provided in separate packages as plug-ins)
• Calendar support for the iCalendar file format, the WebDAV et CalDAV standards and Google Calendar
• Contact management with local address books, CardDAV, LDAP and Google address books
• Synchronization via SyncML cum SyncEvolution and with Palm OS devices via gnome-pilot
• Address books that can be used as a data source in LibreOffice
• User avatars loading from address book, e-mail headers X-Face, Face or automatic lookup by hashed e-mail address from Gravatar service
• An RSS reader plug-in^[9]
• Import from Microsoft Outlook archives (dbx, pst) and Berkley Mailbox