Freeplane - Freeplane is a powerful and free software for building mind maps.
BucketList.net - Bucket list ideas, advice and support
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
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.
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
Dreame - Your bucket list visualized. A tool to manifest your dreams.