Kiwix - Kiwix enables you to have the whole Wikipedia at hand wherever you go!
ECG for Apple Watch - ECG app and irregular heart rhythm notification
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Heart for Heart - Monitor your heart in 90 seconds. For a good cause. 💓
XOWA - The free, open-source, offline wiki application
HeartIn Portable Electrocardiograph - PC/Smartphone compatible ECG. Check your heart anywhere.