GGMorse
https://github.com/ggerganov/ggmorse
https://ggmorse.ggerganov.com/
Application Android :
https://play.google.com/store/apps/details?id=com.ggerganov.GGMorse&pcampaignid=pcampaignidMKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1
Application Apple :
https://apps.apple.com/us/app/ggmorse/id1573531678?ign-itscg=30200&ign-itsct=apps_box_badge&platform=iphone