<s>
LisaProject	B-Operating_System
was	O
the	O
first	O
GUI-based	B-Application
project	B-Application
management	I-Application
software	I-Application
.	O
</s>
<s>
Developed	O
for	O
the	O
Apple	B-Device
Lisa	I-Device
computer	O
,	O
LisaProject	B-Operating_System
was	O
conceived	O
and	O
implemented	O
by	O
Debra	O
Willrett	O
of	O
SoloSoft	O
and	O
developed	O
for	O
Apple	O
's	O
Lisa	B-Device
computer	O
.	O
</s>
<s>
In	O
1981	O
,	O
Willrett	O
realized	O
that	O
project	O
management	O
was	O
a	O
universal	O
problem	O
and	O
that	O
a	O
GUI-based	B-Application
application	O
would	O
be	O
a	O
useful	O
tool	O
.	O
</s>
<s>
She	O
proposed	O
what	O
became	O
LisaProject	B-Operating_System
to	O
Trip	O
Hawkins	O
at	O
Apple	O
.	O
</s>
<s>
At	O
the	O
time	O
,	O
Apple	O
was	O
developing	O
the	O
Apple	B-Device
Lisa	I-Device
computer	O
which	O
had	O
limited	O
software	O
.	O
</s>
<s>
LisaProject	B-Operating_System
was	O
the	O
first	O
project	B-Application
management	I-Application
system	I-Application
to	O
simplify	O
the	O
project	O
management	O
process	O
by	O
allowing	O
the	O
user	O
to	O
interactively	O
draw	O
their	O
project	O
on	O
the	O
computer	O
in	O
the	O
form	O
of	O
a	O
PERT	O
chart	O
.	O
</s>
<s>
Once	O
this	O
was	O
complete	O
,	O
the	O
schedule	O
data	O
could	O
be	O
viewed	O
as	O
a	O
Gantt	B-Application
chart	I-Application
.	O
</s>
<s>
Although	O
the	O
Lisa	B-Device
ultimately	O
failed	O
in	O
the	O
marketplace	O
,	O
its	O
largest	O
Lisa	B-Device
customer	O
was	O
NASA	O
,	O
which	O
had	O
used	O
LisaProject	B-Operating_System
for	O
project	O
management	O
.	O
</s>
<s>
In	O
response	O
to	O
the	O
demand	O
for	O
LisaProject	B-Operating_System
from	O
NASA	O
and	O
other	O
customers	O
,	O
a	O
new	O
version	O
called	O
MacProject	B-Operating_System
was	O
made	O
available	O
with	O
the	O
first	O
Macintosh	B-Device
release	O
in	O
1984	O
.	O
</s>
