TopoR is a Photo & Image software developed by Novarm, Ltd.. After our trial and test, the software is proved to be official, secure and free. Here is the official description for TopoR:
Are you looking for high-perfomance routing solution for your design needs?Try TopoR - unique topological autorouter that routes your design with gridless free-angle technology. Topological Algorithm allows to get Far superior result if compare to any available shape-based or grid-based autorouter, in most cases superior to time-consuming qualified manual routing.
TopoR provides the following features: High-quality autorouting and improved Electro-magnetic compatibility Easy to learn user interface Simultaneous optimization of multiple layout versions Ability to assign minimal and preferred clearance for each net TopoR can displace components on a routed board Smart BGA component routing Interface with CAD Systems Design Rule Check Shape-based Copper pour Manufacturing output formats you can free download TopoR 188.8.131.52 now.