Strong.app - Strenght training logger.
HomeFitness OS - The all-in-one fitness system for Notion
Bolt - Workout Tracker - Track your progress in the gym and discover new workouts with the most intuitive workout tracker for weight lifting on the App Store.
Workout Timer - A simple, customizable workout timer
wger - FLOSS workout, fitness and weight manager/tracker written with Django
Exer Studio - Your virtual workouts with real-time scores & leaderboards