<s>
The	O
Zinc	B-Library
Application	I-Library
Framework	I-Library
is	O
an	O
application	B-Application
framework	I-Application
,	O
intended	O
for	O
the	O
development	O
of	O
cross-platform	B-Operating_System
software	I-Operating_System
applications	O
with	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
,	O
using	O
a	O
widget	B-Library
toolkit	I-Library
.	O
</s>
<s>
Zinc	O
targets	O
both	O
embedded	O
(	O
such	O
as	O
Wind	O
River	O
's	O
VxWorks	B-Operating_System
)	O
and	O
desktop	O
platforms	O
.	O
</s>
<s>
In	O
1990	O
Zinc	O
Software	O
released	O
its	O
first	O
software	O
development	O
package	O
Zinc	O
Interface	O
Library	O
as	O
a	O
tool	O
for	O
Borland	B-Application
Turbo	I-Application
C++	I-Application
.	O
</s>
<s>
In	O
1994	O
Zinc	O
Software	O
introduced	O
version	O
4.0	O
of	O
its	O
C++	B-Language
tool	O
under	O
Zinc	B-Library
Application	I-Library
Framework	I-Library
name	O
.	O
</s>
<s>
Zinc	O
aimed	O
at	O
cross-platform	B-Operating_System
development	O
of	O
the	O
user	O
interface	O
supporting	O
DOS	O
,	O
Windows	O
,	O
Mac	O
and	O
Unix	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
version	O
5	O
in	O
1997	O
,	O
Zinc	O
Software	O
changed	O
pricing	O
policy	O
and	O
distributed	O
"	O
Personal	O
Version	O
"	O
of	O
the	O
Zinc	B-Library
Application	I-Library
Framework	I-Library
free	O
of	O
charge	O
for	O
non-commercial	O
use	O
-	O
including	O
source	O
code	O
and	O
limited	O
only	O
by	O
lack	O
of	O
technical	O
support	O
and	O
distribution	O
rights	O
.	O
</s>
<s>
In	O
2004	O
Zinc	O
Software	O
was	O
sold	O
to	O
Professional	B-Library
Software	I-Library
Associates	I-Library
(	O
PSA	O
)	O
.	O
</s>
