ToDo, Reminders, Calendar Suggestion Lists

http://www.topproductivityapps.com/simpler-reminder-productivity-iphone-app-1764.html

http://iphone.appstorm.net/roundups/productivity-roundups/25-fantastic-to-do-list-apps-for-iphone/

http://www.iphoneness.com/iphone-apps/10-best-calendar-apps-for-iphone/