<s>
Mozilla	B-Language
Sunbird	I-Language
is	O
a	O
discontinued	O
free	B-License
and	I-License
open-source	I-License
,	O
cross-platform	B-Operating_System
calendar	B-Application
application	I-Application
that	O
was	O
developed	O
by	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
,	O
Sun	O
Microsystems	O
and	O
many	O
volunteers	O
.	O
</s>
<s>
Mozilla	B-Language
Sunbird	I-Language
was	O
described	O
as	O
"	O
a	O
cross	B-Operating_System
platform	I-Operating_System
standalone	O
calendar	B-Application
application	I-Application
based	O
on	O
Mozilla	B-Operating_System
's	O
XUL	B-Application
user	O
interface	O
language	O
"	O
.	O
</s>
<s>
Announced	O
in	O
July	O
2003	O
,	O
Sunbird	O
was	O
a	O
standalone	O
version	O
of	O
the	O
Mozilla	B-Application
Calendar	I-Application
Project	I-Application
.	O
</s>
<s>
It	O
was	O
developed	O
as	O
a	O
standalone	O
version	O
of	O
the	O
Lightning	B-Language
calendar	B-Application
and	O
scheduling	O
extension	O
for	O
the	O
Mozilla	B-Application
Thunderbird	I-Application
and	O
SeaMonkey	B-Language
mail	O
clients	O
.	O
</s>
<s>
Development	O
of	O
Sunbird	O
was	O
ended	O
with	O
release	O
1.0	O
beta	O
1	O
to	O
focus	O
on	O
development	O
of	O
Mozilla	B-Language
Lightning	I-Language
.	O
</s>
<s>
Unlike	O
Lightning	B-Language
,	O
Sunbird	O
no	O
longer	O
receives	O
updates	O
to	O
its	O
time	B-Device
zone	I-Device
database	O
.	O
</s>
<s>
Sun	O
Microsystems	O
contributed	O
significantly	O
to	O
the	O
Lightning	B-Language
extension	O
project	O
to	O
provide	O
users	O
with	O
a	O
free	B-License
and	I-License
open-source	I-License
alternative	O
to	O
Microsoft	B-Application
Office	I-Application
by	O
combining	O
OpenOffice.org	B-Application
and	O
Thunderbird/Lightning	O
.	O
</s>
<s>
Sun	O
's	O
key	O
focus	O
areas	O
in	O
addition	O
to	O
general	O
bug	O
fixing	O
were	O
calendar	B-Application
views	O
,	O
team/collaboration	O
features	O
and	O
support	O
for	O
the	O
Sun	B-Application
Java	I-Application
System	I-Application
Calendar	I-Application
Server	I-Application
.	O
</s>
<s>
Although	O
it	O
is	O
released	O
under	O
a	O
MPL	B-License
,	O
MPL/GPL/LGPL	O
tri-license	O
,	O
there	O
are	O
trademark	O
restrictions	O
in	O
place	O
on	O
Mozilla	B-Language
Sunbird	I-Language
which	O
prevent	O
the	O
distribution	O
of	O
modified	O
versions	O
with	O
the	O
Mozilla	B-Operating_System
branding	O
.	O
</s>
<s>
Gecko	B-Language
version	O
Sunbird	O
version	O
Release	O
date	O
Significant	O
changes1.8	O
0.2	O
February	O
4	O
,	O
20051.9	O
0.3	O
October	O
11	O
,	O
2006Calendar	O
storage	O
moved	O
from	O
flat	O
.ICS	O
files	O
to	O
SQLite	B-Language
0.3.1	O
February	O
19	O
,	O
2007Time	O
zones	O
updated	O
for	O
DST	O
change1.8.1	O
0.5	O
June	O
27	O
,	O
2007Moved	O
to	O
Gecko	B-Language
1.8.1	O
for	O
added	O
stability	O
and	O
includes	O
support	O
for	O
Google	B-Application
Calendar	I-Application
via	O
an	O
extension	O
.	O
</s>
<s>
0.7	O
October	O
25	O
,	O
2007Cleaner	O
user	O
interface	O
and	O
additional	O
functionality	O
0.8	O
April	O
4	O
,	O
2008International	O
time	B-Device
zones	I-Device
,	O
experimental	O
offline	O
support	O
and	O
task	O
mode	O
0.9	O
September	O
23	O
,	O
2008	O
Events	O
spanning	O
days	O
now	O
have	O
a	O
visual	O
indicator	O
indicating	O
them	O
as	O
connected	O
events	O
.	O
</s>
<s>
When	O
reloading	O
a	O
remote	O
calendar	B-Application
a	O
progress	O
indicator	O
is	O
now	O
shown	O
.	O
</s>
<s>
The	O
so-called	O
"	O
minimonth	O
"	O
(	O
small	O
calendar	B-Application
month	O
in	O
the	O
upper	O
left	O
)	O
has	O
been	O
given	O
a	O
visual	O
overhaul	O
.	O
</s>
<s>
The	O
calendar	B-Application
views	O
(	O
day	O
,	O
week	O
,	O
multiweek	O
,	O
month	O
)	O
have	O
been	O
given	O
a	O
visual	O
overhaul	O
.	O
</s>
<s>
CalDAV	B-Protocol
support	O
and	O
interoperability	O
with	O
various	O
CalDAV	B-Protocol
servers	O
has	O
been	O
improved.1.9.1	O
1.0b1	O
April	O
2	O
,	O
2010	O
Multiple	O
alarms	O
can	O
be	O
defined	O
for	O
one	O
event	O
.	O
</s>
<s>
CalDAV	B-Protocol
support	O
is	O
improved	O
.	O
</s>
