<s>
Saguaro	B-Application
was	O
an	O
application	O
for	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
one	O
of	O
the	O
first	O
designed	O
to	O
give	O
Palm-OS-based	O
PDAs	O
true	O
multitasking	B-Operating_System
features	O
comparable	O
to	O
desktop	O
computers	O
.	O
</s>
<s>
Saguaro	B-Application
was	O
also	O
the	O
first	O
Palm	B-Operating_System
OS	I-Operating_System
application	O
capable	O
of	O
competing	O
with	O
the	O
graphic	O
performance	O
of	O
the	O
iPhone	B-Device
.	O
</s>
<s>
Saguaro	B-Application
,	O
produced	O
by	O
PDA	O
Performance	O
,	O
Inc.	O
,	O
had	O
a	O
long	O
development	O
cycle	O
of	O
three	O
years	O
.	O
</s>
<s>
Currently	O
,	O
the	O
full	O
version	O
is	O
not	O
available	O
for	O
download	O
,	O
however	O
,	O
two	O
beta	O
versions	O
had	O
been	O
released	O
:	O
Saguaro	B-Application
Beta	O
(	O
a	O
private	O
beta	O
)	O
and	O
Saguaro	B-Application
Sneak	O
Peek	O
(	O
a	O
public	O
beta	O
)	O
.	O
</s>
<s>
Information	O
about	O
the	O
Saguaro	B-Application
private	O
beta	O
is	O
severely	O
lacking	O
,	O
however	O
it	O
is	O
speculated	O
to	O
be	O
more	O
full-featured	O
than	O
the	O
public	O
beta	O
.	O
</s>
<s>
PDA	O
Performance	O
released	O
lineUp	O
,	O
an	O
application	O
based	O
on	O
Saguaro	B-Application
’s	O
code	O
,	O
on	O
November	O
30	O
,	O
2007	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
a	O
complete	O
version	O
of	O
Saguaro	B-Application
has	O
not	O
been	O
released	O
.	O
</s>
<s>
Little	O
data	O
is	O
available	O
on	O
the	O
technical	O
specifications	O
of	O
Saguaro	B-Application
,	O
as	O
PDA	O
Performance	O
had	O
not	O
released	O
an	O
SDK	B-Application
.	O
</s>
<s>
Saguaro	B-Application
was	O
rumored	O
to	O
implement	O
cooperative	B-Operating_System
multitasking	I-Operating_System
for	O
Saguaro-compatible	O
applications	O
,	O
referred	O
to	O
as	O
"	O
widgets	O
"	O
.	O
</s>
<s>
The	O
term	O
caused	O
speculation	O
in	O
the	O
Palm	O
community	O
as	O
to	O
whether	O
Saguaro	B-Application
was	O
intended	O
to	O
replace	O
the	O
Palm	B-Operating_System
OS	I-Operating_System
to	O
run	O
applications	O
or	O
if	O
it	O
was	O
designed	O
to	O
be	O
a	O
widget	O
engine	O
.	O
</s>
<s>
Saguaro	B-Application
was	O
also	O
rumored	O
to	O
be	O
capable	O
of	O
running	O
"	O
legacy	B-Device
"	O
palm	O
applications	O
by	O
acting	O
as	O
a	O
launcher	O
.	O
</s>
<s>
Saguaro	B-Application
featured	O
its	O
own	O
graphics	B-Device
engine	I-Device
,	O
called	O
"	O
MojaveGL	O
"	O
,	O
which	O
also	O
functioned	O
as	O
a	O
window	O
manager	O
.	O
</s>
<s>
MojaveGL	O
is	O
capable	O
of	O
alpha	B-Algorithm
blending	I-Algorithm
,	O
thus	O
allowing	O
Saguaro	B-Application
to	O
create	O
translucent	O
windows	O
.	O
</s>
<s>
LineUp	O
is	O
a	O
widget	O
engine	O
developed	O
by	O
PDA	O
Performance	O
that	O
is	O
heavily	O
based	O
on	O
Saguaro	B-Application
's	O
code	O
.	O
</s>
<s>
An	O
SDK	B-Application
has	O
not	O
been	O
released	O
to	O
allow	O
third	O
party	O
developers	O
to	O
create	O
widgets	O
,	O
causing	O
many	O
users	O
to	O
lose	O
interest	O
in	O
the	O
"	O
fancy	O
RSS	O
reader.	O
"	O
</s>
<s>
LineUp	O
itself	O
is	O
quick	O
and	O
fluid	O
,	O
providing	O
users	O
a	O
preview	O
of	O
Saguaro	B-Application
and	O
the	O
MojaveGL	O
framework	O
on	O
what	O
it	O
is	O
based	O
.	O
</s>
