<s>
A	O
language	B-Application
workbench	I-Application
is	O
a	O
tool	O
or	O
set	O
of	O
tools	O
that	O
enables	O
software	O
development	O
in	O
the	O
language-oriented	B-Application
programming	I-Application
software	O
development	O
paradigm	O
.	O
</s>
<s>
A	O
language	B-Application
workbench	I-Application
will	O
typically	O
include	O
tools	O
to	O
support	O
the	O
definition	O
,	O
reuse	O
and	O
composition	O
of	O
domain-specific	B-Language
languages	I-Language
together	O
with	O
their	O
integrated	B-Application
development	I-Application
environment	I-Application
.	O
</s>
<s>
Language	B-Application
workbenches	I-Application
were	O
introduced	O
and	O
popularized	O
by	O
Martin	O
Fowler	O
in	O
2005	O
.	O
</s>
<s>
Language	B-Application
workbenches	I-Application
usually	O
support	O
:	O
</s>
<s>
Racket	B-Operating_System
is	O
a	O
cross-platform	O
language	O
development	O
workbench	O
including	O
compiler	O
,	O
JIT	O
compiler	O
,	O
IDE	O
and	O
command-line	O
tools	O
designed	O
to	O
accommodate	O
creating	O
both	O
domain-specific	B-Language
languages	I-Language
and	O
completely	O
new	O
languages	O
with	O
facilities	O
to	O
add	O
new	O
notation	O
,	O
constrain	O
constructs	O
,	O
and	O
create	O
IDE	O
tools	O
.	O
</s>
<s>
JetBrains	B-Application
MPS	I-Application
is	O
a	O
tool	O
for	O
designing	O
domain-specific	B-Language
languages	I-Language
.	O
</s>
<s>
It	O
implements	O
language-oriented	B-Application
programming	I-Application
.	O
</s>
<s>
MPS	O
combines	O
an	O
environment	O
for	O
language	O
definition	O
,	O
a	O
language	B-Application
workbench	I-Application
,	O
and	O
an	O
Integrated	B-Application
Development	I-Application
Environment	I-Application
(	O
IDE	O
)	O
for	O
such	O
languages	O
.	O
</s>
<s>
Kermeta	B-Language
is	O
an	O
open-source	O
academic	O
language	B-Application
workbench	I-Application
.	O
</s>
<s>
The	O
Kermeta	B-Language
workbench	O
uses	O
three	O
different	O
meta-languages	O
:	O
one	O
meta-language	O
for	O
the	O
abstract	O
syntax	O
(	O
aligned	O
with	O
Emof	B-Application
)	O
;	O
one	O
for	O
the	O
static	O
semantics	O
(	O
aligned	O
with	O
OCL	B-Language
)	O
and	O
one	O
for	O
the	O
behavioral	O
semantics	O
(	O
called	O
the	O
Kermeta	B-Language
Language	O
itself	O
)	O
.	O
</s>
<s>
Melange	O
is	O
a	O
language	B-Application
workbench	I-Application
that	O
provides	O
a	O
modular	O
approach	O
for	O
customizing	O
,	O
assembling	O
and	O
integrating	O
multiple	O
domain-specific	B-Language
language	I-Language
(	O
DSL	O
)	O
specifications	O
and	O
implementations	O
.	O
</s>
<s>
is	O
an	O
open-source	O
language	B-Application
workbench	I-Application
for	O
generating	O
parsers	O
,	O
type	O
checkers	O
,	O
compilers	O
,	O
interpreters	O
,	O
as	O
well	O
as	O
IDE	O
plugins	O
for	O
Eclipse	B-Application
and	O
IntelliJ	B-Language
.	O
</s>
<s>
It	O
uses	O
SDF	B-Application
and	O
a	O
scannerless	B-Application
GLR	B-Application
parser	I-Application
for	O
syntax	O
,	O
and	O
formalisms	O
derived	O
from	O
Stratego/XT	O
for	O
semantics	O
.	O
</s>
<s>
Xtext	B-Application
is	O
an	O
open-source	O
software	O
framework	O
for	O
developing	O
programming	O
languages	O
and	O
domain-specific	B-Language
languages	I-Language
(	O
DSLs	O
)	O
.	O
</s>
<s>
Unlike	O
standard	O
parser	B-Language
generators	I-Language
,	O
Xtext	B-Application
generates	O
not	O
only	O
a	O
parser	O
,	O
but	O
also	O
a	O
class	O
model	O
for	O
the	O
abstract	O
syntax	O
tree	O
.	O
</s>
<s>
In	O
addition	O
,	O
it	O
provides	O
a	O
fully	O
featured	O
,	O
customizable	O
Eclipse-based	O
IDE	O
.	O
</s>
<s>
Meeduse	O
is	O
an	O
EMF-based	O
framework	O
that	O
allows	O
one	O
to	O
build	O
,	O
prove	O
and	O
animate	O
executable	O
domain-specific	B-Language
languages	I-Language
(	O
xDSLs	O
)	O
using	O
the	O
B	O
Method	O
.	O
</s>
