MaxCut - It's easy! You input the sizes and materials, MaxCut does the rest!
Easy Cut Studio - Easy Cut Studio is a vinyl cutting software to design and cut signs, logos, lettering, shapes, and decals.
GoNest 2D - Nesting software for cutting pipe, sheet metal, glass.
CutList Optimizer - A free cutlist optimizer
Champcut - Optimize cutting (nesting) of any linear material such as reel material, metal profiles, bars...
Cut Micro - Small program can help you to calculate optimal cut of rectangular details.