Low: Comparison of text formats

PCB and footprint formats
format	family	tree	spec	software
lihata	token	open/close	yes	pcb-rnd, sch-rnd, camv-rnd
tEDAx	line+pos	uid+ref	yes	pcb-rnd, xschem, gschem, lepton-eda
gEDA/PCB board	token+pos	open/close	yes	gEDA/PCB, pcb-rnd
KiCAD brd	s-expr	open/close	yes	KiCad v3+, pcb-rnd
PADS ASCII	line+pos	num-children	partly	PowerPCB, (pcb-rnd)
eagle from v6	xml	open/close	no	Eagle, pcb-rnd
eagle until v6	binary	num-children	no	Eagle, pcb-rnd
bxl	bin+line+pos	open/close	no	pcb-rnd, proprietary converter
dsn	s-expr	open/close	yes	autorouters, PCB editors to connect autorouters
netlist formats
format	family	tree	spec	software
accel netlist	hdr+s-expr	open/close	no	Accel-EDA, pcb-rnd, Micro-Cap
orcad netlist	s-expr	open/close	no	OrCAD, pcb-rnd, Micro-Cap
freepcb netlist	line+pos	section mark	no?	FreePCB, pcb-rnd
tinycad netlist	line+pos	none	no?	tinycad, pcb-rnd
spice netlist	line+pos	none	yes	various spice, almost any sch editor
vector gfx/plot formats
format	family	tree	spec	software
HP-GL	token	none	yes	pcb-rnd, various CAD programs
g-code	token	none	yes	pcb-rnd, gEDA/pcb, CNC drivers
gerber	token	none	yes	any PCB editor
excellon	line+pos	none	no?	any PCB editor
ICP-D-356	line+column	none	no?	pcb-rnd