fit

autofit.js 迄今为止最易用的自适应工具

An open-source bike computer with GPS and ANT+ capabilities, based on the Raspberry Pi Zero (W, WH, 2 W) or the Compute Module Zero (CM0). It also includes offline maps and navigation.

GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.

Python library to parse ANT/Garmin .FIT files

Responsive image component to fit perfectly itself.

Fit data to many distributions

Convert workout data from Peloton into JSON/TCX/FIT files and automatically upload to Garmin Connect

Viking is a free/open source program to manage GPS data (inc GPX, FIT, TCX and KML files). You can import and plot tracks, routes and waypoints, show OpenStreetMaps (OSM), Bing Aerial and other maps, generate Mapnik maps, geotag images, make new tracks, routes and waypoints, see real-time GPS position, etc. It is written mostly in C with GTK

jQuery plugin, tailor made text to fill the height of the parent element or ellipse it if it doesn't fit

A Go package for decoding and encoding Garmin FIT files

🏃Reactive Fitness API Library for Android and RxJava

A FIT file parsing and decoding library written in Python3

Standalone offline local desktop application to process, store, and visualize Garmin FIT file data in a comprehensive dashboard.

A FIT SDK for decoding and encoding Garmin FIT files in Go supporting FIT Protocol V2.

Sports Lib normalizes GPX, TCX, FIT, and service-specific JSON into shared activity and route models. It also exposes provider-neutral Health and sleep scalar data classes with canonical units, display formatting, aliases, and JSON round-trip behavior.

Official Garmin FIT Python SDK

A simple Python library for converting .FIT files to .GPX files. It also includes tools to convert Strava data downloads in bulk to GPX.

🚴 Claude Code / Codex skill for FIT & KML sports analysis — cycling, running, hiking, sensor and grade insights, local 3D route reports, PNG & H.264 MP4 exports. 运动轨迹分析与 3D 路线故事

Parse your FIT files easily, directly from JS (Garmin, Polar, Suunto)

Fit an SMPL body model to a scan