PuTTY - Popular free terminal application. Mostly used as an SSH client.
Fitbod - Personalized Strength-Training powered by Machine Learning
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
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.
iTerm2 - A terminal emulator for macOS that does amazing things.
Fitocracy - Fitocracy is a social network that turns exercise into a cooperative and competitive exercise with friends, rivals, and strangers.