According to sources, Microsoft is spending over $100 million on the acquisition.

Software giant Microsoft is in the process of trying to reinvent itself, and part of that reinvention evidently involves acquiring startups that have created products that compete with its own. The latest acquisition is calendar app maker Sunrise, which Microsoft shelled out at least $100 million for according to our sources.

Sunrise has a suite of calendar products for mobile and desktop users that connects with and consolidates calendars from different providers. It’s available on the iPhone, iPad, Android devices, and on the Mac App Store, as well as offering a web client. Report: Microsoft To Acquire Calendar App Maker, Sunrise, For $100 Million [techcrunch.com]