Kontact - Kontact is the integrated Personal Information Manager of KDE.
Fitbod - Personalized Strength-Training powered by Machine Learning
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
Kontact - KAddressBook - KAddressBook stores all the personal details of your family, friends and other contacts.
Strong.app - Strenght training logger.