<s>
the	O
GNOME	B-Application
desktop	I-Application
,	O
based	O
on	O
Mono	B-Application
.	O
</s>
<s>
Gnome	B-Application
Subtitles	I-Application
is	O
free	B-Application
software	I-Application
released	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
Gnome	B-Application
Subtitles	I-Application
supports	O
popular	O
subtitle	O
formats	O
,	O
such	O
as	O
SubStation	O
Alpha	O
(	O
and	O
also	O
Advanced	O
SubStation	O
Alpha	O
)	O
,	O
SubRip	B-Application
and	O
MicroDVD	O
.	O
</s>
<s>
It	O
has	O
a	O
WYSIWYG	B-Application
user	O
interface	O
,	O
supporting	O
emphasis	O
(	O
bold	O
,	O
italic	O
and	O
underline	O
styles	O
)	O
and	O
multi-level	O
undo/redo	O
.	O
</s>
<s>
Gnome	B-Application
subtitles	I-Application
can	O
also	O
perform	O
timing	O
operations	O
,	O
edit	O
subtitle	O
headers	O
and	O
deal	O
with	O
subtitle	O
's	O
encoding	O
automatically	O
.	O
</s>
<s>
Similar	O
programs	O
are	O
Aegisub	B-Language
,	O
Jubler	O
,	O
Subtitle	B-Application
Editor	I-Application
,	O
Gaupol	O
,	O
etc	O
.	O
</s>
