Website: http://www.boomwriter.com/
Free Mac program: http://itunes.apple.com/us/app/ibooks-author/id490152466?mt=12&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/app/sonicpics/id345295488?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/app/sonicpics/id345295488?mt=8&uo=4&at=10l6SU
Website: http://www.sonicpics.com
Paid iPad app: http://itunes.apple.com/us/app/comic-life/id432537882?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/comic-life/id432537882?mt=8&uo=4&at=10l6SU
Paid Mac program: http://itunes.apple.com/us/app/comic-life-2/id402508085?mt=12&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/comicbook!/id436114747?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/comicbook!/id436114747?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.threedtopo.comicbook.android