K-12
An web-based collaboration IWB for teachers and students. It can also be used for conferencing for other jobs. Free version- 30 day trial, but teachers can apply for a free educational version.
Con: must pay unless you apply for educational version, which can take time.
K-12
Make phone calls, video chat, can be used for classroom activities and personal use.
Con: Must register and download program, and new district permission.