These lists will be expanded and placed in separate posts in time. For now, some basic resources:

INFO & GUIDES
https://www.reddit.com/r/SexToys/ – forum to discuss toys
https://www.reddit.com/r/SexToys/wiki/index – safe toys info sheet
http://dangerouslilly.com/category/guides/ – many guides about choosing and caring for toys
https://badgirlsbible.com/how-to-find-your-g-spot – very comprehensive guide about women's bodies
https://medium.com/@thedodil/dildo-envy-the-average-dildo-size-compared-to-the-average-penis-da45ec24ba93 – why dildos aren't competition

YOUTUBE – education and reviews
https://www.youtube.com/watch?v=xoYxd3E3UXU – making a will, want, won't list
https://www.youtube.com/user/sexplanations/videos – general sex/relationship ed
https://www.youtube.com/hannahwitton/videos – general sex/relationship ed
https://www.youtube.com/EvieLupine/videos – mostly BDSM ed
https://www.youtube.com/erikalynae/videos – toy reviews
https://www.youtube.com/LilyORileyReviews/videos – toy reviews
https://www.youtube.com/watch?v=zFQ7wh1P7yw – twitter list (see description) and quick visual review
https://www.youtube.com/watch?v=WKjCRZej-jU – ovipositor review

BIRTH CONTROL
https://www.bedsider.org/
https://www.plannedparenthood.org/
https://www.abortionfinder.org/