Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Moodly - Get a better sense of focus and relaxation by listening to ambient nature sounds.
Focusmate - Distraction-free productivity via virtual coworking
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
Pomodoro Timer UWP - Be more productive with your time
Neurosity - The wearable that translates thought into action