Streaks - The to-do list that helps you form good habits.
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.
Taskful - Deadlines, meet your match.
BucketList.net - Bucket list ideas, advice and support
ToDoList - Windows desktop application to stay on top of your daily tasks.
Dreame - Your bucket list visualized. A tool to manifest your dreams.