Which services can I connect?

Connect live today: Strava, Polar, WHOOP, Oura, Withings and Intervals.icu, Apple Health through the Trailwise iPhone app, Google Calendar (two-way), Apple Calendar by its share link (read-only), your iPhone calendar through the same iPhone app, a Weather source and Manual import. Google Health (formerly Fitbit) is built but switched off for now, so you cannot connect it.

Files only: Garmin. There is no Garmin sign-in of any kind, so Garmin data reaches Trailwise as an export file you upload, or through Intervals.icu if your Garmin syncs there. See Importing files.