Juniper has not come back to post on the thread.
I have used scissors and a rotary cutter to cut the squares for rag quilts. Scissors when I was using old jeans to have denim on one side. I had my local glass shop cut acrylic templates in various sized squares for me. They are not as precise as rulers, but it does not matter for rag quilts. I have also ripped the fabric for rag quilts, as it does not matter if it is distorted. Rip along the cross grain, then rotary cut to make the squares.
For snipping I have two different pairs of spring loaded snips. I alternate between them as it helps my hands to have a change.