Altium Designer Free Download
Altium Designer is one of the most popular of the high end PCB design software packages on the market today. It is developed and marketed by Altium Limited. Including a schematic, PCB module, and an auto-router and differential pair routing features, it supports track length tuning and 3D modeling.
Altium Designer
Altium Designer includes tools for all circuit design tasks: from schematic and HDL design capture, circuit simulation, signal integrity analysis, PCB design, and FPGA-based embedded system design and development. In addition, the Altium Designer environment can be customized to meet a wide variety of users' requirements.