DuarteSantos8/openGym

What is it?

Key features

• 01Weekly routines or A/B/C rotation with guided sessions that pre-fill last workout's weights.
• 02Supports supersets, warm-up and drop sets, timed exercises, and cardio logging.
• 03Progression rules including linear, double and triple progression, with estimated 1RM and muscle volume maps.
• 04Passkey sign-in, per-profile sync across devices, and offline use as a PWA.
• 05Imports workout history from FitNotes, Strong, Hevy and Apple Health; exports all data as JSON.
• 06Deploys with Docker Compose, and the data stays in a local ./data folder.

Use cases

• Keeping a private training log without sending workout data to a subscription service.
• Moving existing workout history from FitNotes, Strong or Hevy into a self-hosted instance.
• Running a personal or family gym tracker on a home server or NAS.
• Using the Android app or PWA to log sets offline at the gym.

Quick start

1. 1

   Clone the repository

   git clone https://github.com/DuarteSantos8/openGym
2. 2

   Enter the project folder

   cd openGym
3. 3

   Copy the example environment file

   cp .env.example .env
4. 4

   Start the app with Docker Compose, then open http://localhost:8080

   docker compose up -d

Things to know

• !Passkeys need HTTPS on a domain to work from a phone, which requires extra setup.
• !The Android APK is not on the Play Store, and iPhone users must self-host or build with Xcode.

Topics

FAQ

What is openGym?

A self-hosted gym and body-weight tracker for planning routines, logging sets, and keeping workout data on your own server. openGym is a self-hosted workout tracker. You plan a routine for each weekday or use a rotation, run guided sessions that pre-fill weights from your last workout and time rest between sets, and log body weight alongside training. Progress views include estimated 1RM, a muscle map showing recent volume, recovery and untrained areas, a year-long activity heatmap, and progress photos.

Is openGym free to use? What license does it have?

openGym is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.

Is openGym still maintained?

Actively maintained. The last commit to openGym was on Oct 19, 2026.

What can I use openGym for?

Keeping a private training log without sending workout data to a subscription service. Moving existing workout history from FitNotes, Strong or Hevy into a self-hosted instance. Running a personal or family gym tracker on a home server or NAS. Using the Android app or PWA to log sets offline at the gym.

How do I install openGym?

Clone the repository: git clone https://github.com/DuarteSantos8/openGym Enter the project folder: cd openGym Copy the example environment file: cp .env.example .env Start the app with Docker Compose, then open http://localhost:8080: docker compose up -d

Where can I get openGym?

The source code and installation instructions are on GitHub: https://github.com/DuarteSantos8/openGym