Strong.app - Strenght training logger.
Ewolo - A simple, flexible mobile-friendly workout logger & tracker
wger - FLOSS workout, fitness and weight manager/tracker written with Django
Chamath Abs Calculator - Calculate how long will you take to get SixPAC ab'ed
HomeFitness OS - The all-in-one fitness system for Notion
Wakeout - A new way to wake up—with workouts you do in your pajamas