BucketListly - The most beautiful & advanced bucket list you will ever have
Kibii - Discover exciting things to do!
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.
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
BucketList.net - Bucket list ideas, advice and support
Rally by Eventbrite - Find the best local events and rally your friends to join