040000 tree 5255b80ab89511d1eac0166c7b36e602aaa7ab85	irsim
040000 tree 091e28b92170771156424d82b34264131ad06735	klayout
040000 tree 96cc4157e64d9575a45a891421c8e2ff65c2f67b	magic
040000 tree a06010fdf73c583579688437b91ed6cbb3f764da	netgen
040000 tree e691811612f7f0db0c046a943cf751a143aedc7a	ngspice
040000 tree bf9c0f69d0b920a4b165c4533e9cfb938c74ca2e	openlane
040000 tree e4b5f5f22c8dbb9adfefac2c92d789e7c7df8d74	qflow
040000 tree 1691b19f5398db9edc659d1d12de1c12f8210662	xcircuit
040000 tree 0e6ffc1fd6982c00517ee0b84a77c1d447897417	xschem