TL:DR; I was given an ThinkGeek Binary clock at christmas, and it was nice, and fun, but lacked the important things from my point of view that you need to be able to learn how the clock is telling the timeeasily.
Download BinaryClock Freeware - Rating: 4.47
This is a more powerful version of Cleaning Service, with all of the features of the standard version, but with the additional capability to share data in real time over the Internet.
Free and great to-do list software with reminder and task lists organized using unique tree structure with icons, suitable both for personal and business use. All to-do tasks can have customized priority level, type, due date. Inbuilt reminder.
Stockroom Organizer Deluxe for Windows: simple to use inventory database system for a small warehouse or storage facility that wants to track items.