Momentum - Agile goal and performance management
Workrave - Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
New Tab by Flickr - Get a beautiful photo each time you open a new tab
stretchly - break time reminder app
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.
StretchMinder - Work break timer with guided movement & breathing exercises