Fitbit has everything I need, the steps, the Heart Rate, it has all of my exercising modes, and it has a fair price. It has a rather simplistic User interface, which I really like to be honest. Highly recommened!
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Strava - The #1 app for runners and cyclists
itch.io - An online game marketplace and community.
Lose it! - Snap a photo of your food to get nutritional facts
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
SmartHealth - SmartHealth is a health and fitness app that effectively monitors and records your sleep patterns and various health-related parameters such as heart rate, blood pressure, etc.