<s>
Allegro	B-Language
Common	I-Language
Lisp	I-Language
is	O
a	O
programming	O
language	O
with	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
,	O
developed	O
by	O
Franz	O
Inc	O
.	O
</s>
<s>
It	O
is	O
a	O
dialect	O
of	O
the	O
language	O
Lisp	B-Language
,	O
a	O
commercial	B-Application
software	I-Application
implementation	O
of	O
the	O
language	O
Common	B-Language
Lisp	I-Language
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
provides	O
the	O
full	O
American	O
National	O
Standards	O
Institute	O
(	O
ANSI	O
)	O
Common	B-Language
Lisp	I-Language
standard	O
with	O
many	O
extensions	O
,	O
including	O
threads	O
,	O
CLOS	O
streams	O
,	O
CLOS	O
MOP	O
,	O
Unicode	O
,	O
SSL	O
streams	O
,	O
implementations	O
of	O
various	O
Internet	O
protocols	O
,	O
OpenGL	O
interface	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
Allegro	B-Language
Common	I-Language
Lisp	I-Language
was	O
finished	O
at	O
the	O
end	O
of	O
1986	O
,	O
originally	O
called	O
Extended	O
Common	B-Language
Lisp	I-Language
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
is	O
available	O
for	O
many	O
operating	B-General_Concept
systems	I-General_Concept
including	O
Microsoft	B-Application
Windows	I-Application
(	O
32/64	O
-bit	O
)	O
,	O
and	O
many	O
Unix	B-Application
and	O
Unix-like	B-Operating_System
,	O
32-bit	O
or	O
64-bit	B-Device
,	O
including	O
macOS	B-Application
(	O
Intel	O
,	O
32/64	O
-bit	O
)	O
,	O
Linux	B-Application
(	O
32/64	O
-bit	O
)	O
,	O
FreeBSD	B-Operating_System
(	O
32-bit	O
)	O
,	O
Solaris	B-Application
(	O
x64	B-Device
,	O
SPARC	B-Architecture
;	O
32/64	O
-bit	O
)	O
,	O
UNICOS	B-Operating_System
,	O
and	O
UTS	B-Operating_System
.	O
</s>
<s>
Internationalization	B-General_Concept
and	I-General_Concept
localization	I-General_Concept
support	O
is	O
based	O
on	O
Unicode	O
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
can	O
be	O
used	O
with	O
and	O
without	O
its	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
,	O
which	O
is	O
available	O
for	O
Windows	B-Application
,	O
Linux	B-Application
,	O
and	O
on	O
macOS	B-Application
in	O
version	O
8.2	O
.	O
</s>
<s>
The	O
IDE	O
(	O
written	O
in	O
Allegro	B-Language
CL	I-Language
)	O
includes	O
development	O
tools	O
including	O
an	O
editor	O
and	O
an	O
interface	O
designer	O
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
can	O
be	O
used	O
to	O
deliver	O
applications	O
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
is	O
available	O
as	O
freeware	B-License
,	O
a	O
Free	O
Express	O
Edition	O
(	O
with	O
some	O
limits	O
like	O
a	O
constrained	O
heap	O
space	O
)	O
for	O
non-commercial	O
use	O
.	O
</s>
<s>
Customers	O
can	O
get	O
access	O
to	O
much	O
of	O
the	O
source	O
code	O
of	O
Allegro	B-Language
CL	I-Language
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
includes	O
an	O
implementation	O
of	O
Prolog	B-Language
and	O
an	O
object	O
caching	O
database	O
called	O
AllegroCache	O
.	O
</s>
<s>
The	O
most	O
recent	O
release	O
,	O
Allegro	B-Language
CL	I-Language
10.1	O
,	O
supports	O
Symmetric	O
Multiprocessing	O
.	O
</s>
<s>
Allegro	B-Language
CL	I-Language
has	O
been	O
used	O
to	O
implement	O
various	O
applications	O
:	O
</s>
