Detour - Immersive audio walks, now in 17 cities
Sortd - Rated the #1 App for Gmail
Sygic Travel Maps - Itinerary planner for independent travelers
KanbanMail - A Kanban board for your emails.
Nomad List - Find the best place to ❤️ live, 👩💻 work, and 💃 play
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.