Esplorio - Automatically create a beautiful travel journal
SOUNDS - Discover music with friends
Firef.ly - An app that's your local guide and intimate travel journal.
Spotify - Map shows when two people play same song at same time
Journyal - Journyal helps you to automatically record your travels, be it backpacking trips, hikes, overseas travel, or even food trails. Simply press start and take photos as you would along the way, and Journyal will help you keep track of everything.
Songlink - Share music with anyone.