Use a magnetic board and favor tins to organize small things vertically. I'd like to put my spices in the tins, to save space in the kitchen! This link includes lots of great craft storage ideas, including using closet organizers for craft supplies.
Keeping your cables organized doesn’t have to be difficult or complicated. Use toilet paper rolls! Simply write on each one what type of cable it contains and insert the neatly coiled cords. Add a few pieces of washi tape for decoration if you like.
Back of the door storage: I love this idea! Try using an over the door clear plastic shoe organizer for extra storage. You can fill those easy to see inside pockets with lunch snacks, road trip snacks,.