a bunch of art tools and resources i recommend :)
line of action (gesture practice sessions)
sketchdaily (pose references)
screen musings(cool references for composition/color studies)
bodies in motion(frame by frame references)
human anatomy search helper(male ver.)
human anatomy search helper(female ver.)
unplash(free high quality photographs, good for references)
art station learning(free drawing courses)
human anatomy poses (pose references)
light reference male head (360° asaro head)