SlimPlanner - Team scheduling, resource planning, task management
Sortd - Rated the #1 App for Gmail
Teamweek - A project management software to help you get the best overview. Plan fast, change plans faster!
KanbanMail - A Kanban board for your emails.
PAUSE - Regain focus using ancient principles of Tai Chi mindfulness.
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.