Here is a link to a PDF that has clickable links to various sites that will allow you to access lots of valuable educational information without requiring you to have an account. 

https://drive.google.com/file/d/1C1rFUlzptRAaiKA1_GmlppPTq8shPtt8/view?fbclid=IwAR1IIN8KGwZcWsBlUBf0wRusAIYBZPdamxvpCzT2-tu6Boz8myJfNXPBy1g