Books
Free download here booklets in PDF format
E Learning Applications
Best Messaging Apps and Websites for Students, Teachers, and Parents.
Skype
Skype is a telecommunications application that specializes in providing video chat & voice calls between PC, tablets & mobiles.
zoom.us
Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio calling.
Imo
you can do voice calling, or you can also do video calling with Imo on your Computer / Laptop