convert KML, TCX, and GPX to GeoJSON, without the fuss

Compare files from various activity trackers

A Library for processing GPX, TCX, FIT and JSON files from services such as Strava, Movescount, Garmin, Polar etc

Build tcx files from NodeJS

CLI application to view information like heart rate, run cadence and more from a TCX-file.

A command-line tool to convert TCX files to JSON files. It is written in JavaScript and uses Deno.

A powerful and flexible sports data parsing library for Node.js and TypeScript. support TCX、GPX、FIT