ace_garp, 1 year ago

Here are some:

lifesciencedb.jp/bp3d ( human body parts in 3D )

plosone.org ( peer reviewed scientific journal )

gutenberg.net.au ( ebooks )

librivox.org ( audiobooks )

More general:

instructables.com ( DIY projects )

en.wikivoyage.org (travel guide)

foodista.com ( food recipes )