I feel like a lot of the decent package trackers just stop working after a while or just stop getting updated. Any good ones beside after ship, parcel track, slice and shipwreck, Google. I'm looking for the ones that either you can forward the email to send it adds and or it checks for updates server-side and sends you a push notification when there's an update.
Edit: I am start from this https://pkge.net/couriers/winit