Laravel - A PHP Framework For Web Artisans
Fitloop - Bodyweight fitness workouts for everyone
Fat-Free - PHP micro-framework designed to help you build dynamic and robust Web applications - fast
Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.
Slim Framework - Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs.
Fitbod - Personalized Strength-Training powered by Machine Learning