Plotters without offset software: eCut - nesting pluging for CorelDraw, HPGL PLT file export plug-in for Rhino, HPGL PLT file import plug-in for AutoCAD and more.
One of most interesting function is nesting - this feature allows You to allocate on sheet(s) selected objects. It allows to allocate not only rectangles, but any complex object - letters, circles, words - any of them and groups allowed too. Node limit is 64K, and rectangle has only 4! The second main function is Cut/Plot - it allow to cut files from Corel to Your cutter. It makes PLT files with perfect quality.