Free Mac program: http://www.gimp.org/downloads/
Free Windows program: http://www.gimp.org/downloads/
Paid Mac program: http://www.amazon.com/gp/product/B007USG0GI/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B007USG0GI&linkCode=as2&tag=edshelf-20
Paid Windows program: http://www.amazon.com/gp/product/B007USG19Y/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B007USG19Y&linkCode=as2&tag=edshelf-20
Paid Mac program: http://www.amazon.com/gp/product/B007USG342/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B007USG342&linkCode=as2&tag=edshelf-20
Paid Windows program: http://www.amazon.com/gp/product/B007USG3OC/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B007USG3OC&linkCode=as2&tag=edshelf-20
Free Mac program: http://audacity.sourceforge.net/download/
Free Windows program: http://audacity.sourceforge.net/download/
Website: http://screencast-o-matic.com/
Paid Mac program: https://itunes.apple.com/us/app/imovie/id408981434?mt=12&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/imovie/id377298193?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/imovie/id377298193?mt=8&at=10l6SU
Paid Mac program: http://www.amazon.com/gp/product/B006U8NZZS/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B006U8NZZS&linkCode=as2&tag=edshelf-20
Paid Windows program: http://www.amazon.com/gp/product/B008EQUD4U/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B008EQUD4U&linkCode=as2&tag=edshelf-20