Website: http://www.memofon.com/
Free Mac program: http://www.mindomo.com/desktop/index.htm
Free Windows program: http://www.mindomo.com/desktop/index.htm
Website: http://www.mindomo.com/
Free Android Phone app: https://play.google.com/store/apps/details?id=air.com.EXswap.Mindomo
Free iPad app: https://itunes.apple.com/us/app/mindomo-mind-mapping/id526684279?mt=8&at=10l6SU
Google Chrome app: https://chrome.google.com/webstore/detail/mindomo-mind-mapping-and/lomfkamlboaefcpcnnklebogoelalnjm
Google Apps for Education app: https://apps.google.com/marketplace/u/0/app/lomfkamlboaefcpcnnklebogoelalnjm