PECompact - An executable compressor, PEC compresses Windows modules (EXE, DLL, SCR, etc..) substantially, while leaving them able to be run just as before. At runtime, compressed modules are rapidly decompressed in memory. PEC is a truly modern exe packer.
3D Load Packer: Box to Box, Box to Box - 3D Load Packer from Astrokette Algorithms is professional-strength planning software for rapid and accurate placement of various boxes inside containers. Assume you have a huge number of objects with the near-rectangular shapes and significant difference in sizes (boxes), and you need to load them into one or more containers