Justification: The following free sites (some paid) are the most respected internationally used CME providers. Already many of our surgeons use them. They offer an all rounded regular credible CMEs all the year and cover basic topics. This list is selected by ESOT-EC after receiving and collecting such sites from our members. Numbers 1, 7-10 are provided by orthopedic associations Number 7-10 came to our country and our surgeons also went there and got several trainings and CMEs. We found them very useful and helpful to our setups. We highly recommend these sites.