https://www.mentormob.com/

What is MentorMob? Free And Social Learning.
A Tool: MentorMob features the best free learning Guides for skills and hobbies on the web.
A Community: MentorMob Guides are created and consistently updated by a community of passionate people.
A Social Hub: Create MentorMob profiles to track your progress, learn with your friends and discover people who share your interests.