Display Fusion (Paid) – https://www.displayfusion.com/
The best solution for managing multiple monitors. Features include taskbars on all monitors, smart window management, adding buttons to windows, desktop wallpaper switching.
Grammarly (Paid) – http://www.grammarly.com
An application that integrates with Microsoft Office and web browsers to check your grammar. A great resource for students in higher education.
Greenshot (Free) – http://getgreenshot.org/
Replaces the default Print Screen functionality with a smart drag and drop interface to select regions of the screen to capture. Instantly edit the screenshot by highlighting/blurring/drawing attention to specific areas, etc., then share or save the file to many different services.
Hypothes.is (Free) – https://hypothes.is/
Used to annotate websites via highlighting and comments. Can be used for group annotations.
Ninite (Free/Paid)- https://ninite.com/
A quick solution for any new computer setup. Bulk installs many of the tools on this list which saves time from searching for all of the applications individually.
Stardock ObjectDesktop (Paid)- http://www.stardock.com/products/odnt/
This is a suite of applications. Windows Blinds allows you to skin your entire desktop experience; WindowFX allows you to add Linux style window animations to your desktop; Deskscapes adds the capability for a video desktop background; Multiplicity allows you to share your keyboard & mouse across multiple computers.