Links

Links and resources:

CodeAcademy – https://www.codecademy.com/ (learn to code for free)
Coursera – https://www.coursera.org/ (free courses)
EdX – https://www.edx.org/ (free Uni)
Khan Academy – https://www.khanacademy.org/ (free school)
Yousician – https://yousician.com/ (free guitar piano ukulele bass lessons)

Archives:

Archive.org – https://archive.org/ (free ebooks)
Gutenerg – http://www.gutenberg.org/ (free ebooks)
LibriVox – https://librivox.org/ (free public domain audiobooks)