Legs

Goblet Squat

BuiltLean on Goblet squat
Fit Father Project on Goblet squat
Dan John article on Goblet squat
Dan John on Goblet squat
Test: 25 goblet squat with 50% bodyweight

Lunges

Weighttraining.guide on dumbbell lunges
Mind Pump on bodyweight lunge
BPI Sports on walking lunge
RP on walking lunge
Fit Father Project on dumbbell lunges
Jeff Cavaliere on knee pain with lunges (he recommends backstep lunges)

Bulgarian Split Squats

Weighttraining.guide on dumbbell split squat
Colussus Fitness on split squat
Eugene Teo on John Meadows version
John Meadows doing the drop set from hell (a little weight goes a long way)

Hamstring iso

To come.

Standing Calf Raise

Weighttraining.guide on standing calf raise
Fit Father Project on one leg calf raise

Donkey Calf Raise

old school Donkey calf raises