List of free education

“A massive open online course (MOOC) is an online course aimed at unlimited participation and open access via the web. In addition to traditional course materials such as filmed lectures, readings, and problem sets, many MOOCs provide interactive user forums to support community interactions between students, professors, and w:teaching assistants (TAs).”
~ Wikipedia on massive open online course

User:Jukeboksi's BBA studies 2012-2015 have yielded the following wikireaders best viewed in Wikipedia because of mw:Extension:Popups et al.: law and business, economics, basic internationalization, Logistics and SCM and more.

Consumerium list of free education

This is the Consumerium list of lists of free education

http://academicearth.org/ - w:Academic Earth - a MOOC aggregator and videos
https://alison.com/ - w:ALISON (company) - log-in with any usual login partner required
http://oli.cmu.edu/learn-with-oli/see-our-free-open-courses/ - w:Carnegie Mellon University
https://www.class-central.com/university/berkeley - w:University of California, Berkeley
https://www.codecademy.com/ - w:Codecademy - learn to code - Signup with Google or Facebook required
https://www.coursera.org - w:Coursera - MOOCs in various fields
https://www.edx.org/ - w:edX - another MOOC provider
http://www.extension.harvard.edu/open-learning-initiative - w:Harvard University
https://www.khanacademy.org/ w:Khan Academy - For the juniors
http://ocw.mit.edu/index.htm - w:MIT OpenCourseWare
http://www.openculture.com/freeonlinecourses courses in wide array of things
http://online.stanford.edu/courses - w:Stanford University
https://www.udemy.com/ w:Udemy P2P sourced learning
http://oyc.yale.edu/ - w:Open Yale Courses

Databases and lists of free education offerings

DMOZ Education listings
http://www.lifehack.org/articles/money/25-killer-sites-for-free-online-education.html
https://www.mooc-list.com/ - A complete searchable database of MOOCs by established teaching institutions.

Wikis for learning

EduTechWiki EduTechWiki en français is about w:Educational Technology (instructional technology, w:digital learning) and related fields. It is hosted by TECFA, w:University of Geneva.

Learning languages

https://www.duolingo.com/ - w:Duolingo
http://memrise.com is a freemium w:spaced repetition computer aided learning game / site with mems / w:mnemonics that can be a little silly sometimes but very good occasionally.
https://www.wikibooks.org/ contains good print-out material of grammar and examples to aid in learning.

Learning business administration

Learn AI

Transclusion from Technologies#AI for free education into w:artificial intelligence.

A w:Venn diagram that describes the relations of w:Artificial intelligence (AI), w:Machine learning (ML) and w:Deep learning (DL) according to some source.

“Artificial intelligence (AI), sometimes called machine intelligence, is intelligence demonstrated by machines, in contrast to the natural intelligence displayed by humans and animals. Colloquially, the term "artificial intelligence" is used to describe machines that mimic "cognitive" functions that humans associate with other human minds, such as "learning" and "problem solving".”
~ Wikipedia on AI