openGym is a privacy-first, open-source fitness tracking application that runs locally on Android or can be self-hosted with Docker. It includes a library of 1,300+ exercises with animations, guided workout sessions that auto-fill weights and time rests, weekly training plans, body-weight goal tracking, muscle activation maps, activity heatmaps, and customizable progression rules. No account or telemetry is required.
In the Lifestyle & Personal space, openGym takes a focused approach. It focuses on tracking gym workouts, body weight progress, and training routines without subscriptions, accounts, or cloud services. It is built as a consumer product for fitness enthusiasts and weight trainers. openGym costs nothing to use. It ships for the web and Android, and it can be self-hosted.
Duarte Santos builds and maintains openGym, and it first shipped in 2026. The project is developed in the open on GitHub with 246 stars and 128 commits in the last 90 days. Key capabilities include Guided Workouts, Exercise Library, and Weekly Planning.
Summary written by a language model from the project’s public pages.
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