<s>
Strongtalk	B-Language
is	O
a	O
Smalltalk	B-Application
environment	O
with	O
optional	O
static	O
typing	O
support	O
.	O
</s>
<s>
Strongtalk	B-Language
can	O
make	O
some	O
compile	B-Application
time	I-Application
checks	O
,	O
and	O
offer	O
stronger	O
type	B-Language
safety	I-Language
guarantees	O
;	O
this	O
is	O
the	O
source	O
of	O
its	O
name	O
.	O
</s>
<s>
It	O
is	O
non-commercial	O
,	O
though	O
it	O
was	O
originally	O
a	O
commercial	O
project	O
developed	O
by	O
a	O
small	O
startup	O
company	O
named	O
LongView	B-Language
Technologies	I-Language
(	O
trading	O
as	O
Animorphic	B-Language
Systems	I-Language
)	O
.	O
</s>
<s>
David	O
Griswold	O
wanted	O
to	O
use	O
Smalltalk	B-Application
more	O
extensively	O
,	O
but	O
then-extant	O
implementations	O
were	O
insufficient	O
for	O
his	O
needs	O
.	O
</s>
<s>
He	O
wanted	O
to	O
improve	O
the	O
performance	O
,	O
add	O
type-checking	O
,	O
and	O
use	O
native	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
widgets	O
.	O
</s>
<s>
This	O
version	O
was	O
based	O
on	O
adding	O
type-checking	O
to	O
the	O
ParcPlace	O
Systems	O
implementation	O
of	O
Smalltalk	B-Application
.	O
</s>
<s>
He	O
became	O
interested	O
in	O
the	O
improvements	O
that	O
the	O
team	O
for	O
the	O
language	O
Self	B-Operating_System
had	O
achieved	O
,	O
and	O
envisioned	O
the	O
same	O
methods	O
used	O
to	O
improve	O
Smalltalk	B-Application
.	O
</s>
<s>
Urs	O
Hölzle	O
,	O
who	O
worked	O
on	O
the	O
powerful	O
Self	B-Operating_System
compiler	O
,	O
spoke	O
with	O
Griswold	O
about	O
implementing	O
the	O
same	O
type	O
feedback	O
in	O
a	O
Smalltalk	B-Application
compiler	O
.	O
</s>
<s>
Griswold	O
,	O
Hölzle	O
,	O
Lars	O
Bak	O
,	O
and	O
others	O
formed	O
a	O
small	O
company	O
(	O
LongView	B-Language
Technologies	I-Language
,	O
doing	O
business	O
as	O
Animorphic	B-Language
Systems	I-Language
)	O
to	O
re-implement	O
Strongtalk	B-Language
.	O
</s>
<s>
The	O
firm	O
was	O
bought	O
by	O
Sun	O
Microsystems	O
in	O
1997	O
,	O
and	O
the	O
team	O
got	O
focused	O
on	O
Java	B-Language
,	O
releasing	O
the	O
HotSpot	B-Language
virtual	B-Architecture
machine	I-Architecture
,	O
and	O
work	O
on	O
Strongtalk	B-Language
stalled	O
.	O
</s>
<s>
Sun	O
released	O
the	O
1997	O
re-implementation	O
of	O
Strongtalk	B-Language
as	O
open-source	B-Application
software	I-Application
under	O
a	O
revised	O
BSD	B-Operating_System
license	I-Operating_System
,	O
including	O
the	O
Strongtalk	B-Language
system	B-Operating_System
image	I-Operating_System
in	O
2002	O
,	O
and	O
the	O
virtual	B-Architecture
machine	I-Architecture
in	O
2006	O
.	O
</s>
<s>
Strongtalk	B-Language
is	O
touted	O
as	O
the	O
fastest	O
implementation	O
of	O
Smalltalk	B-Application
.	O
</s>
<s>
Strongtalk	B-Language
is	O
available	O
for	O
Windows	B-Application
XP	I-Application
(	O
other	O
ports	O
are	O
in	O
the	O
works	O
)	O
and	O
includes	O
a	O
basic	O
development	O
environment	O
.	O
</s>
