<s>
The	O
Adobe	B-Library
Font	I-Library
Development	I-Library
Kit	I-Library
for	I-Library
OpenType	I-Library
,	O
also	O
known	O
as	O
Adobe	O
FDKO	O
or	O
simply	O
AFDKO	B-Library
,	O
is	O
a	O
font	O
development	B-Application
kit	I-Application
(	O
FDK	O
)	O
,	O
a	O
set	B-Application
of	O
command-line	B-Application
tools	I-Application
freely	O
distributed	O
by	O
Adobe	O
for	O
editing	O
and	O
verifying	O
OpenType	O
fonts	O
.	O
</s>
<s>
It	O
does	O
not	O
offer	O
a	O
glyph	B-Application
editor	O
,	O
but	O
focuses	O
on	O
tools	O
for	O
manipulating	O
font	O
metrics	O
,	O
kerning	O
and	O
other	O
OpenType	O
features	O
.	O
</s>
<s>
AFDKO	B-Library
runs	O
on	O
Microsoft	O
Windows	O
,	O
Linux	B-Application
and	O
macOS	O
,	O
and	O
licensed	O
under	O
the	O
Apache	B-Application
License	I-Application
.	O
</s>
