These are various models by Tomoko Fusè. All are made with 8 sheets of square paper (4 for the lid, 4 for the bottom).
The box on the left is “square box Vortex”, page 62 of “Fabulous Origami Boxes” (Japan Publications Trading Co, ISBN 9780870409783).
The box in the middle is “shallow hexagonal box”, found page 72 of “30 boîtes en origami”.
The box on the right is “Square box C”, page 38 of “Joyful Origami Boxes” (Japan Publications, ISBN 0870409743).
Paper for the rightmost box : japanese chiyogami for the lid, Tant 15 cm for the bottom.
Paper: double-sided 15 cm kraft paper from schoene-papiere.de (sadly they don’t sell anymore at the moment).
Paper: japanese chiyogami 7.5 cm.
The same model with different papers:
left: japanese chiyogami 7.5 cm + Tant, right: japanese chiyogami 15 cm (the paper is a bit too thin for the size of the box).