<s>
The	O
Open	B-Application
Source	I-Application
Applications	I-Application
Foundation	I-Application
(	O
OSAF	B-Application
)	O
was	O
a	O
non-profit	O
organization	O
founded	O
in	O
2002	O
by	O
Mitch	O
Kapor	O
whose	O
purpose	O
was	O
to	O
effect	O
widespread	O
adoption	O
of	O
free	O
software/open	O
-source	O
software	O
.	O
</s>
<s>
The	O
2007	O
book	O
Dreaming	O
in	O
Code	O
:	O
Two	O
Dozen	O
Programmers	O
,	O
Three	O
Years	O
,	O
4,732	O
Bugs	O
,	O
and	O
One	O
Quest	O
for	O
Transcendent	O
Software	O
documented	O
the	O
struggles	O
of	O
OSAF	B-Application
in	O
building	O
an	O
open	O
source	O
calendar	O
application	O
,	O
Chandler	B-Language
.	O
</s>
<s>
Chandler	B-Language
–	O
a	O
note-to-self	O
organiser	O
(	O
personal	B-Application
information	I-Application
management	I-Application
(	O
PIM	O
)	O
software	O
)	O
designed	O
for	O
personal	O
and	O
small-group	O
task	O
management	O
and	O
calendaring	O
.	O
</s>
<s>
Chandler	B-Language
Desktop	O
and	O
Chandler	B-Language
Hub	O
(	O
an	O
instance	O
of	O
Chandler	B-Language
Server	O
(	O
)	O
)	O
are	O
complementary	O
.	O
</s>
<s>
Chandler	B-Language
is	O
written	O
in	O
Python	B-Language
and	O
runs	O
on	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Windows	B-Application
.	O
</s>
<s>
Cosmo	O
(	O
Chandler	B-Language
Server	O
)	O
–	O
a	O
Java-based	O
content/calendar	O
sharing	O
server	O
with	O
a	O
built-in	O
rich	O
web	O
application	O
client	O
.	O
</s>
<s>
From	O
2005	O
,	O
OSAF	B-Application
participated	O
in	O
Google	B-Application
's	I-Application
Summer	B-Application
of	I-Application
Code	I-Application
programs	O
by	O
allowing	O
several	O
interns	O
to	O
work	O
on	O
OSAF	B-Application
projects	O
during	O
the	O
summer	O
.	O
</s>
<s>
Major	O
contributors	O
to	O
OSAF	B-Application
included	O
:	O
</s>
<s>
The	O
mission	O
of	O
the	O
OSAF	B-Application
was	O
stated	O
this	O
way	O
:	O
</s>
<s>
Demonstrate	O
that	O
open	B-Application
source	I-Application
software	I-Application
*	O
can*	O
serve	O
a	O
general	O
audience	O
in	O
the	O
consumer	O
market	O
.	O
</s>
<s>
Offer	O
a	O
choice	O
of	O
platforms	O
and	O
full	O
interoperability	O
amongst	O
Windows	B-Application
,	O
Macintosh	O
,	O
and	O
Linux	B-Application
versions	O
.	O
</s>
