<s>
For	O
3D	O
computer	O
graphics	O
,	O
the	O
Tao	B-Application
Framework	I-Application
is	O
a	O
C#	B-Application
library	B-Library
giving	O
.NET	O
and	O
Mono	B-Application
developers	O
access	O
to	O
popular	O
graphics	O
and	O
gaming	O
libraries	O
like	O
OpenGL	B-Application
and	O
SDL	B-Operating_System
.	O
</s>
<s>
It	O
was	O
originally	O
developed	O
by	O
the	O
C#	B-Application
OpenGL	B-Application
programmer	O
Randy	B-Application
Ridge	I-Application
,	O
and	O
since	O
its	O
start	O
many	O
developers	O
have	O
contributed	O
to	O
the	O
project	O
.	O
</s>
<s>
The	O
latest	O
version	O
of	O
Tao	B-Application
is	O
version	O
2.1	O
released	O
on	O
May	O
1	O
,	O
2008	O
.	O
</s>
<s>
Tao	B-Application
Framework	I-Application
has	O
been	O
superseded	O
by	O
OpenTK	B-Application
.	O
</s>
<s>
In	O
2012	O
,	O
in	O
parallel	O
with	O
the	O
development	O
of	O
OpenTK	B-Application
,	O
a	O
new	O
project	O
called	O
TaoClassic	O
has	O
been	O
introduced	O
on	O
SourceForge	O
,	O
as	O
a	O
direct	O
continuation	O
of	O
Tao	B-Application
Framework	I-Application
,	O
with	O
the	O
same	O
licensing	O
conditions	O
and	O
design	O
disciplines	O
,	O
but	O
with	O
new	O
authors	O
and	O
cutting-edge	O
features	O
,	O
like	O
support	O
for	O
OpenGL	B-Application
4.3	O
,	O
64-bit	O
operating	O
systems	O
,	O
etc	O
.	O
</s>
