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040000 tree f41e7226b43cbaddbe9e22c3326d33e4582c8112	klayout
040000 tree 5d3cfd4d3d8f283aba0c06c0cbf9d1b9d0d08326	magic
040000 tree 2fca284c136463795a5c41050ba9a973ea92b41b	netgen
040000 tree 12292db89df90090149eb25303fe45270be7cd61	ngspice
040000 tree e6e8c5362e61a5fcda523afefbe8dcf1ccab0fcb	openlane
040000 tree 3a4a7c980e6ac982edcd72c93e59968b3147758e	qflow
040000 tree 781ae41d652adf968e3ce9af7485c580f9ab3a7d	xcircuit
040000 tree e20f9a5530786d4197d028a84014ad2de5cff4b9	xschem