Hi everyone!
I finished (for now) a list of online crochet resources we can use! 
I’m hoping to continue adding to it as we discover more. I hope you enjoy!
YARN SUBSTITUTION:
Yarnsub - provided by @chroniclesofyarnia
SkeinYarn.com
Ravelry
AMIGURUMI:
Amigurumi Attachment by Hooked by Kati - provided by @anoswaldoddity
Amigurumi Tools by Summerbug Crafts
SIZE CHARTS:
Hats & Beanies by Easy Crochet
Headband/Ear Warmers by Easy Crochet
Sweater Measurements by Lindsey Stephens - guest post on Moogly
YARN INFO:
Yarn Weight by The Craft Yarn Council
Yarn Material/Fibers by LoveCrafts
COLOR THEORY:
Color Mood Boards by K.A.M.E Crochet - provided by @TheWandWeaver
Color Palettes by Coolers - provided by @chroniclesofyarnia
Dye Lots by Summerbug Crafts
PATTERN READING/WRITING:
Crochet Abbreviations by Summerbug Crafts
Graphs by Jessica Cooper of Crochet it Creations
Symbol Charts by Dabbles & Babbles
TUNISIAN CROCHET:
Beginner Guide by Yarnspirations
Hook Guide by Kathryn Vercillo on Craftsy
Stitch Guide by CrochetKim
For more in depth descriptions of each link, check out my blog below! 
thank you for letting me know! 