Some products offer both: a full calendar client that lets you associate appointments with matters and contacts, plus sync with Outlook / Office 365 or Google Calendar so you can more easily take advantage of all the apps for your mobile devices that rely on those more popular calendar services. (lawyerist.com)
RIM says it will be releasing native e-mail, contacts, and calendar clients as part of a free over-the-air update this summer, and we suspect a lot of buyers will wait until then. (laptopmag.com)
So now the PlayBook has thousands of apps, MANY 3rd party mail clients, MANY 3rd party calendar clients, and a great powerful OS. (bgr.com)