Microsoft To-Do - Task management tool
BucketListly - The most beautiful & advanced bucket list you will ever have
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
iBucket - A social bucket list apps that helps you achieve your goals & trips. Available for iOS, Android and Web. Dream it. Plan it. Do it.
doo - A smart, simple app for reminders and to-dos
BucketList.net - Bucket list ideas, advice and support