eM Client integrates E-mail, Calendar, Contacts, Tasks and much more. eM Client delivers the most comprehensive calendar interfaces on the market, giving users the ability to simultaneously view multiple calendars from multiple sources. eM Client is optimized to fully synchronize with Gmail or any other mail server. eM Client supports full import from MS Outlook, Outlook Express, Windows Live Mail or Thunderbird. You can backup or synchronize all your e-mails, contacts, calendars and tasks on-line or to any mobile device using Active Sync.