<s>
Foma	B-General_Concept
is	O
a	O
free	B-License
and	I-License
open	I-License
source	I-License
finite-state	O
toolkit	O
created	O
and	O
maintained	O
by	O
Mans	O
Hulden	O
.	O
</s>
<s>
It	O
includes	O
a	O
compiler	B-Language
,	O
programming	O
language	O
,	O
and	O
C	B-Language
library	O
for	O
constructing	O
finite-state	B-Architecture
automata	I-Architecture
and	O
transducers	B-Architecture
(	O
FST	O
's	O
)	O
for	O
various	O
uses	O
,	O
most	O
typically	O
Natural	B-Language
Language	I-Language
Processing	I-Language
uses	O
such	O
as	O
morphological	O
analysis	O
.	O
</s>
<s>
Foma	B-General_Concept
can	O
replace	O
the	O
proprietary	O
Xerox	O
Finite	B-Architecture
State	I-Architecture
Toolkit	O
for	O
compiling	B-Language
and	O
running	O
FST	O
's	O
written	O
in	O
the	O
lexc	O
and	O
xfst	O
formalisms	O
.	O
</s>
<s>
The	O
speed	O
is	O
comparable	O
with	O
the	O
Xerox	O
tools	O
for	O
most	O
lexicons	O
,	O
although	O
Foma	B-General_Concept
can	O
be	O
3	O
or	O
4	O
times	O
slower	O
for	O
very	O
large	O
lexicons	O
(	O
e.g.	O
</s>
<s>
Foma	B-General_Concept
is	O
also	O
one	O
of	O
the	O
possible	O
backends	O
of	O
the	O
free	B-License
and	I-License
open	I-License
source	I-License
Helsinki	B-General_Concept
Finite	I-General_Concept
State	I-General_Concept
Toolkit	I-General_Concept
(	O
where	O
other	O
backends	O
provide	O
support	O
for	O
further	O
formalisms	O
)	O
.	O
</s>
<s>
There	O
are	O
several	O
FOSS	B-License
morphologies	O
written	O
in	O
lexc/xfst	O
compatible	O
with	O
foma	B-General_Concept
,	O
e.g.	O
</s>
