16 open-source Fitness & Education Apps projects

Fitness & Education Apps (Mobile Apps): open-source projects that exist because someone reverse engineered a closed product, sorted by GitHub stars.

1. zwift-offline★ 1,427 · active · Python

   Offline server reimplementation for the Zwift cycling app

2. python-myfitnesspal★ 877 · slowing · Python

   Access MyFitnessPal meal tracking data programmatically

3. peloton-to-garmin★ 360 · active · C#

   Converts Peloton workouts via the unofficial API and uploads them to Garmin Connect

4. peloton-client-library★ 231 · dormant · Python

   Python client for parts of the Peloton API

5. nrc-exporter★ 164 · active · Python

   Downloads Nike Run Club runs via its private API and converts to GPX

6. garmin-connect★ 153 · archived · Go

   Go client for the unofficial reverse-engineered Garmin Connect API

7. yazio-mcp★ 68 · active · TypeScript

   Unofficial MCP server for Yazio nutrition data

8. cronometer-api-mcp★ 67 · active · Python

   MCP server for Cronometer nutrition tracking via the mobile REST API

9. zwift-client★ 62 · active · Python

   Python client for the Zwift mobile API

10. crono-vision★ 31 · active · Python

    Photo food logging via Cronometer's undocumented mobile API (CLI and serverless)

11. mywhoosh-api★ 16 · active

    Unofficial API documentation for the MyWhoosh cycling app

12. endomondo-unofficial-api★ 12 · archived · JavaScript

    Unofficial Endomondo API access for workouts and profile data

13. runtastic-unofficial-api★ 10 · archived · JavaScript

    Unofficial Runtastic API access for activities and profile data

14. duobot★ 4 · slowing · Python

    Duolingo automation built on the reverse-engineered Android app API

15. pypeloton★ 2 · slowing · Python

    Sync and async Python client for the Peloton API

16. Duolingo★ 0 · dormant · Python

    Unofficial Duolingo API in Python