<s>
Spell	B-Operating_System
Catcher	I-Operating_System
,	O
originally	O
known	O
as	O
Thunder	O
!,	O
is	O
a	O
stand-alone	O
spell	B-Application
checker	I-Application
for	O
Atari	B-Device
ST	I-Device
,	O
Macintosh	B-Device
and	O
Microsoft	B-Application
Windows	I-Application
systems	O
.	O
</s>
<s>
Its	O
original	O
name	O
refers	O
to	O
its	O
lightning-fast	O
speed	O
,	O
which	O
set	O
it	O
apart	O
from	O
other	O
spell	B-Application
checkers	I-Application
on	O
the	O
platform	O
like	O
Spellswell	O
.	O
</s>
<s>
In	O
addition	O
to	O
basic	O
spell	B-Application
checking	I-Application
,	O
later	O
versions	O
of	O
the	O
program	O
offered	O
a	O
viewable	O
dictionary	O
and	O
thesaurus	O
,	O
user-defined	O
macro	O
expansions	O
,	O
and	O
auto-complete	O
.	O
</s>
<s>
Over	O
time	O
,	O
many	O
of	O
these	O
features	O
were	O
also	O
added	O
to	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Windows	O
built-in	O
spell	B-Application
checking	I-Application
functionality	O
,	O
but	O
Spell	B-Operating_System
Catcher	I-Operating_System
remained	O
in	O
use	O
due	O
to	O
its	O
other	O
features	O
.	O
</s>
<s>
It	O
no	O
longer	O
runs	O
under	O
the	O
most	O
recent	O
versions	O
of	O
macOS	B-Operating_System
,	O
which	O
require	O
64-bit	O
applications	O
.	O
</s>
<s>
The	O
program	O
was	O
originally	O
released	O
in	O
1985	O
for	O
the	O
Atari	B-Device
ST	I-Device
platform	O
by	O
Toronto-based	O
Batteries	O
Included	O
,	O
who	O
sold	O
it	O
under	O
the	O
original	O
name	O
Thunder	O
!	O
.	O
</s>
<s>
There	O
were	O
two	O
spell	B-Application
checkers	I-Application
with	O
similar	O
names	O
at	O
the	O
same	O
time	O
,	O
Turbo	O
Lightning	O
for	O
DOS	O
,	O
and	O
Mac	O
Lightning	O
for	O
the	O
Mac	O
.	O
</s>
<s>
Thunder	O
II	O
was	O
released	O
in	O
1988	O
,	O
changing	O
from	O
a	O
desk	B-Application
accessory	I-Application
to	O
a	O
control	B-Application
panel	I-Application
that	O
hooked	O
directly	O
into	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
text	O
editing	O
system	O
to	O
allow	O
inline	O
checking	O
and	O
replacement	O
.	O
</s>
<s>
In	O
1990	O
,	O
Gross	O
was	O
readying	O
a	O
version	O
that	O
ran	O
under	O
Apple	O
's	O
new	O
System	B-Operating_System
7	I-Operating_System
.	O
</s>
<s>
The	O
new	O
Thunder	O
7	O
was	O
released	O
along	O
with	O
System	B-Operating_System
7	I-Operating_System
in	O
1991	O
.	O
</s>
<s>
The	O
product	O
re-launched	O
in	O
1996	O
under	O
the	O
new	O
name	O
Spell	B-Operating_System
Catcher	I-Operating_System
.	O
</s>
<s>
They	O
also	O
agreed	O
to	O
fund	O
the	O
development	O
of	O
a	O
Microsoft	B-Application
Windows	I-Application
port	O
,	O
which	O
launched	O
in	O
1998	O
as	O
Spell	B-Application
Checker	I-Application
Plus	O
.	O
</s>
<s>
A	O
rewrite	O
of	O
the	O
Mac	O
version	O
from	O
THINK	O
Pascal	O
to	O
Metrowerks	O
C	O
resulted	O
in	O
1999	O
's	O
Spell	B-Operating_System
Catcher	I-Operating_System
8	O
,	O
which	O
added	O
extensive	O
multilingual	O
support	O
.	O
</s>
<s>
A	O
port	O
of	O
this	O
version	O
to	O
Windows	O
became	O
2000	O
's	O
Spell	B-Operating_System
Catcher	I-Operating_System
Plus	O
2.0	O
.	O
</s>
<s>
A	O
complete	O
ground-up	O
rewrite	O
was	O
needed	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
released	O
in	O
2003	O
as	O
Spell	B-Operating_System
Catcher	I-Operating_System
X	O
.	O
</s>
<s>
The	O
company	O
continued	O
publishing	O
the	O
product	O
,	O
releasing	O
the	O
2.6	O
upgrade	O
for	O
Windows	O
in	O
2005	O
,	O
and	O
constantly	O
updating	O
it	O
for	O
newly	O
released	O
versions	O
of	O
macOS	B-Operating_System
until	O
10.4.1	O
in	O
2011	O
.	O
</s>
<s>
This	O
version	O
is	O
known	O
to	O
work	O
on	O
at	O
least	O
macOS	B-Device
10.14	I-Device
,	O
OS	B-Device
X	I-Device
Mojave	I-Device
,	O
but	O
as	O
a	O
32-bit	O
application	O
it	O
will	O
not	O
run	O
on	O
the	O
most	O
modern	O
macOS	B-Operating_System
releases	O
.	O
</s>
<s>
The	O
initial	O
versions	O
for	O
the	O
ST	O
and	O
Mac	O
were	O
in	O
the	O
form	O
of	O
desk	B-Application
accessories	I-Application
,	O
but	O
later	O
became	O
control	B-Application
panel	I-Application
systems	O
which	O
allowed	O
it	O
to	O
patched	O
the	O
operating	O
system	O
to	O
receive	O
all	O
keystrokes	O
,	O
allowing	O
it	O
to	O
perform	O
spell	B-Application
checking	I-Application
in	O
realtime	O
as	O
the	O
user	O
typed	O
.	O
</s>
<s>
Later	O
versions	O
on	O
macOS	B-Operating_System
could	O
instead	O
color	O
the	O
words	O
to	O
show	O
issues	O
,	O
removing	O
the	O
beeps	O
and	O
flashes	O
that	O
reviewers	O
found	O
annoying	O
.	O
</s>
<s>
The	O
interface	O
,	O
which	O
could	O
also	O
be	O
manually	O
invoked	O
though	O
the	O
Control	B-Application
Panel	I-Application
or	O
from	O
a	O
menubar	O
widget	O
,	O
also	O
included	O
the	O
various	O
user	O
settings	O
and	O
access	O
to	O
other	O
features	O
.	O
</s>
<s>
This	O
list	O
could	O
also	O
include	O
desk	B-Application
accessories	I-Application
.	O
</s>
<s>
Thunder	O
and	O
Spell	B-Operating_System
Catcher	I-Operating_System
received	O
positive	O
reviews	O
throughout	O
its	O
history	O
,	O
winning	O
many	O
"	O
best	O
of	O
"	O
awards	O
and	O
constantly	O
being	O
rated	O
highly	O
by	O
its	O
customers	O
.	O
</s>
<s>
For	O
instance	O
,	O
early	O
in	O
its	O
life	O
,	O
United	O
Press	O
International	O
reviewed	O
the	O
program	O
,	O
describing	O
"	O
Thunder	O
II	O
from	O
Electronic	O
Arts	O
is	O
a	O
fast	O
,	O
accurate	O
and	O
remarkably	O
easy-to-use	O
spell	B-Application
checker	I-Application
for	O
Macintosh	B-Device
computers	O
that	O
works	O
within	O
most	O
major	O
applications	O
,	O
ranging	O
from	O
word	O
processors	O
to	O
spreadsheets	O
"	O
and	O
concluding	O
"	O
it	O
's	O
an	O
excellent	O
bargain	O
and	O
a	O
welcome	O
addition	O
to	O
anyone	O
's	O
System	O
folder.	O
"	O
</s>
<s>
In	O
a	O
1987	O
comparison	O
of	O
a	O
number	O
of	O
spell	B-Application
checking	I-Application
programs	O
for	O
the	O
Mac	O
,	O
InfoWorld	O
called	O
it	O
a	O
"	O
fast	O
and	O
capable	O
tool	O
"	O
,	O
noting	O
in	O
the	O
same	O
review	O
that	O
Spellswell	O
took	O
over	O
three	O
minutes	O
to	O
check	O
a	O
50kB	O
file	O
that	O
Thunder	O
!	O
</s>
<s>
They	O
did	O
note	O
a	O
number	O
of	O
"	O
quirks	O
"	O
,	O
including	O
the	O
loss	O
of	O
style	O
information	O
when	O
performing	O
replacements	O
in	O
Microsoft	B-Application
Word	I-Application
and	O
that	O
MacWrite	B-Operating_System
files	O
could	O
only	O
be	O
checked	O
if	O
they	O
were	O
32kB	O
or	O
smaller	O
.	O
</s>
<s>
But	O
we	O
wish	O
it	O
did	O
n't	O
have	O
those	O
limits	O
with	O
MacWrite	B-Operating_System
4.5	O
and	O
Microsoft	O
3.01.	O
"	O
</s>
<s>
Summing	O
up	O
all	O
of	O
the	O
products	O
,	O
they	O
note	O
"	O
Among	O
the	O
desk	B-Application
accessory	I-Application
programs	O
we	O
checked	O
,	O
we	O
liked	O
Thunder	O
the	O
best.	O
"	O
</s>
<s>
A	O
Macworld	O
review	O
in	O
1998	O
noted	O
that	O
it	O
lacked	O
a	O
real	O
grammar	O
checker	O
,	O
but	O
concluded	O
that	O
"	O
For	O
those	O
who	O
are	O
sloppy	O
typists	O
or	O
work	O
with	O
programs	O
that	O
do	O
n’t	O
include	O
spelling	B-Application
checkers	I-Application
,	O
Spell	B-Operating_System
Catcher	I-Operating_System
is	O
a	O
must-have	O
product.	O
"	O
</s>
<s>
Even	O
late	O
in	O
its	O
history	O
,	O
when	O
macOS	B-Operating_System
had	O
its	O
own	O
spell	O
and	O
grammar	O
checking	O
,	O
the	O
program	O
continued	O
to	O
garner	O
excellent	O
reviews	O
.	O
</s>
<s>
In	O
2010	O
,	O
Macworld	O
rated	O
it	O
4.5	O
out	O
of	O
five	O
,	O
summing	O
it	O
up	O
by	O
saying	O
"	O
If	O
you	O
find	O
OS	B-Operating_System
X	I-Operating_System
’s	O
built-in	O
spell-checker	B-Application
and	O
thesaurus	O
good	O
enough	O
,	O
you	O
have	O
no	O
need	O
for	O
Spell	B-Operating_System
Catcher	I-Operating_System
X	O
.	O
</s>
<s>
But	O
if	O
you	O
spend	O
the	O
majority	O
of	O
your	O
computer	O
time	O
typing	O
words	O
,	O
Spell	B-Operating_System
Catcher	I-Operating_System
X	O
is	O
a	O
great	O
addition	O
to	O
your	O
toolkit.	O
"	O
</s>
