EssentialPIM (personal time schedule)

EssentialPIM is a set of free personal time scheduling software. It has a very convenient operation interface, allowing users to see the scheduled itinerary at a glance, and each event also allows users to folder, allowing you to, for example, Meeting results, plans and other data are attached to the record. In the future, users will be able to directly search the entered data, allowing you to find specific information about the event at any time. 

Features:

EssentialPIM is an outstanding personal information management and workbook software, highly recommended. Task scheduling specially introduces very easy operation mode and customized color marking. Along with the clutter directory you can assign tasks to different personal records with date and customizable reminders; dates, topics or words of previous searches; categories, copy all with a few mouse clicks or keyboard shortcuts.

You can organize comments any way:

Tree, floating, desktop or whatever complex combination you like. Your contacts are more than an address book; you can search, type, enter custom data, copy and associate contact data to any tasks, to-dos and notes!