Creating Videos:
Screencast-O-Matic
Screenr
Camtasia Studio
Snagit
Jing
ScreenFlow for Mac
Knowvio
Movenote - Overview
Brainshark
Apps:
Doceri
Knowmia - How to
Educreations
ShowMe
ScreenChomp
Explain Everything
Video Storage:
Youtube Channel - Example
YouTubeEDU - Once you have a library of videos you may submit a form to nominate your channel to be added to YouTube EDU.
Vimeo
Teachertube
SchoolTube
Video Editing:
Video Editing Apps