Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Fitbod - Personalized Strength-Training powered by Machine Learning
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
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.
Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
Fitocracy - Fitocracy is a social network that turns exercise into a cooperative and competitive exercise with friends, rivals, and strangers.