Open-source gym & body-weight tracker, now in the App Store (iPhone + Apple Watch) and as an Android APK. Plan routines, log workouts, see which muscles are trained, import from Strong/Hevy/FitNotes. Self-host it or use it on the phone alone.
Workout Tracker GitHub Repositories (2026) · Open Source Tools
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Fud AI — free & open-source AI calorie & workout tracker for iOS and Android. Privacy-first, local-first, bring your own key.
Manage your Hevy workouts, routines, folders, and exercise templates. Create and update sessions faster, organize plans, and search exercises to build workouts quickly. Stay synced with changes so your training log is always up to date.
Offline-first workout tracker for strength and cardio, with progress graphs, rest timers, and custom themes. Built with Flutter.
Self-hosted workout tracker with an AI coach that knows your training. Bring your own LLM (Claude or any OpenRouter model). Strength + cardio, offline PWA, one-command Docker install. A free, open-source alternative to Strong, Hevy and Fitbod.
Beginner-friendly open-source workout, nutrition, and progress tracker with guest mode and configurable AI planning.