<s>
Sheetster	B-Language
is	O
a	O
GPL	B-License
open-source	B-Application
Web	O
Spreadsheet	B-Application
and	O
a	O
Java	B-Language
Application	O
Server	O
created	O
by	O
Extentech	O
Inc	O
.	O
</s>
<s>
Built	O
by	O
Extentech	O
Inc	O
,	O
a	O
developer	O
of	O
Java	B-Language
spreadsheet	B-Application
and	O
development	O
tools	O
,	O
Sheetster	B-Language
BETA	O
was	O
made	O
available	O
to	O
the	O
public	O
on	O
June	O
8	O
,	O
2007	O
.	O
</s>
<s>
Sheetster	B-Language
runs	O
on	O
the	O
ExtenXLS	B-Language
Java	B-Language
(	O
programming	O
language	O
)	O
Spreadsheet	B-Application
SDK	B-Application
and	O
includes	O
:	O
</s>
<s>
The	O
Sheetster	B-Language
administration	O
console	O
allows	O
for	O
the	O
design	O
of	O
relational	O
data	O
objects	O
using	O
a	O
visual	O
query	O
designer	O
and	O
object-relational	O
mapper	O
.	O
</s>
<s>
The	O
RESTful	B-Protocol
API	I-Protocol
accepts	O
data	O
from	O
a	O
variety	O
of	O
sources	O
,	O
and	O
outputs	O
data-mapped	O
spreadsheet	B-Application
objects	O
in	O
a	O
variety	O
of	O
formats	O
including	O
JSON	B-General_Concept
,	O
XML	B-Protocol
,	O
and	O
as	O
Excel-compatible	O
XLS	O
.	O
</s>
<s>
Sheetster	B-Language
can	O
be	O
automated	O
with	O
macros	O
and	O
automatic	O
data	O
entry	O
forms	O
created	O
from	O
Excel	B-Application
cell	O
ranges	O
.	O
</s>
<s>
Data	O
Objects	O
can	O
be	O
mapped	O
to	O
spreadsheet	B-Application
templates	O
and	O
output	O
in	O
a	O
variety	O
of	O
formats	O
:	O
</s>
<s>
Most	O
common	O
usages	O
of	O
sheetster	B-Language
:	O
</s>
<s>
As	O
a	O
hosted	O
web	O
spreadsheet	B-Application
:	O
</s>
<s>
Spreadsheet	B-Application
calculations	O
—	O
used	O
as	O
secure	O
formula	O
engines	O
within	O
Web	O
2.0	O
and	O
traditional	O
client-server	O
web	O
applications	O
.	O
</s>
<s>
Sheetster	B-Language
can	O
be	O
stored	O
in	O
any	O
database	O
or	O
file	O
system	O
of	O
choice	O
,	O
such	O
as	O
:	O
</s>
<s>
Integration	O
is	O
achieved	O
through	O
the	O
RESTful	B-Protocol
API	I-Protocol
which	O
allows	O
for	O
publishing	O
of	O
data-mapped	O
spreadsheet	B-Application
cells	O
as	O
web	O
services	O
.	O
</s>
<s>
Sheetster	B-Language
provides	O
integrated	O
support	O
for	O
:	O
</s>
<s>
Sheetster	B-Language
is	O
available	O
for	O
download	O
at	O
and	O
.	O
</s>
