A new version, 4.3, of the TopoR topological PCB router is now available.

The autorouting of BGA component with large number of decoupling capacitors is improved.
BGA autorouting

The number of DRC violations undetectable by online DRC has been reduced dramatically.

DRC enhancements: new settings dialog box that lets you select the objects you want to check.
DRC settings

There is now an option to suppress some warning messages.
Online-DRC settings

You can now disallow transfer of wires to external layers (on multi-layered boards) while using the refine procedure to optimize wire paths for the components you move.
Refine settings

The new article "Specifics of Using the TopoR System" is added to the documentation

Learn more... Download Demo version

The update of topological pcb router TopoR V4.3.89.07 is now available.

The direct connection of smd pads now can be disabled.
Routing optimization hints: In case TopoR can not find new variants during a long time, the program will report that the optimization process can be stopped.

The Lite and Demo versions of the software are available on the Download page.

The update of topological pcb router TopoR V4.2.89.48 is now available.

This update contains some fixes in import/export.

The Lite and Demo versions of the software are available on the Download page.