TopoR (Topological Router)[nb 1] is an EDA program developed and maintained by the Russian company Eremex. It is dedicated to laying out a printed circuit board (PCB). The current version is 6.3.17875 as of 2017-09-20.[1]
It features an autorouter and a set of tools intended to reduce the amount of effort needed for manual routing of a PCB. A distinctive feature of TopoR is the absence of preferred routing directions.
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