Here is a list of my favorite tools.
A screen capture tool that is easy to use and the basic program is free.
Jing
Instead of always telling your students to put their cell phones away, tell them to take them out.
Poll Everywhere
Are you looking for a way to make a rubric that fits both the needs of you and your students.
Rubistar
Do you search the web for hours looking for graphic organizers? Search no more
Freeology
Do you have a hard time keeping track of your files? Have you ever lost your usb gadget? Has your computer crashed and you lost your files because you did not back them up? Have no fear, help is hear and it is free.
Dropbox
VOA Voice of America
Many classroom activities and more