JotTheDate is your Calendar iOS app for iPhone iPad and Apple Watch, and its companion app for your iMac, available on The Mac App Store. JotTheDate allows for full integration of freehand drawings in your Calendars.
FileXChange is a handy file manager for iPhone, iPad, Android and Mac. With FileXChange, you can share files with other iOS devices, Mac, Windows, Linux and others. In a Mac you can also install FileXChange for Mac, the OS X version of FileXChange.