Strong.app - Strenght training logger.
Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.
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.
HeroSnatch - User-friendly workout tracker for CrossFit athletes
wger - FLOSS workout, fitness and weight manager/tracker written with Django
HomeFitness OS - The all-in-one fitness system for Notion