Mnemonics, khan akademy, osmosis
Medimagic , dorlands medical dictionary
Medicosis perfectionalis . It’s a YouTube Channel which covers med topics in an amusing way
Ósmosis, lecturio,medscape.
Search Dks MEDICO in YouTube
mfn( medical flash notes), WebMD, medscape
MedAbility but it think that it is only in Italian
UpToDate , lecturio , Dynamed plus, Epocrate it's free