<s>
appJar	B-Library
is	O
a	O
cross-platform	B-Operating_System
Python	B-Language
library	O
for	O
developing	O
GUIs	O
(	O
graphical	O
user	O
interfaces	O
)	O
.	O
</s>
<s>
It	O
can	O
run	O
on	O
Linux	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
and	O
Windows	B-Application
.	O
</s>
<s>
appJar	B-Library
is	O
licensed	O
under	O
the	O
Apache	B-Application
License	I-Application
v2.0	O
.	O
</s>
<s>
appJar	B-Library
was	O
originally	O
envisaged	O
as	O
a	O
simple	O
wrapper	O
around	O
tkinter	O
,	O
to	O
allow	O
secondary	O
school	O
pupils	O
to	O
develop	O
simple	O
graphical	O
user	O
interfaces	O
in	O
Python	B-Language
.	O
</s>
<s>
In	O
June	O
2017	O
,	O
appJar	B-Library
was	O
featured	O
in	O
an	O
article	O
in	O
The	O
MagPi	O
,	O
detailing	O
how	O
it	O
could	O
be	O
used	O
to	O
interact	O
with	O
Minecraft	B-Application
.	O
</s>
