...just got censured there, I will post some here.
https://www.coursera.org
https://www.edx.org
^Those two have a bunch of free top Uni courses online, which you can take just for learning and fun purposes, or to earn credits and certificates if you would rather.
Some forums I like and or operate...
Spiritual Inspiration Forum
Log in
Free forum : BreakAwayForum
I am sure I will be finding more, and if anyone wants to add some links, please feel free. I am always interested in new knowledge and ideas and discussions.