<s>
RSS	B-Language
Guard	I-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
news	B-Application
aggregator	I-Application
for	O
web	B-General_Concept
feeds	I-General_Concept
and	O
podcasts	B-Operating_System
.	O
</s>
<s>
It	O
is	O
written	O
in	O
C++	B-Language
and	O
uses	O
Qt	B-Language
,	O
which	O
allows	O
it	O
to	O
fit	O
with	O
the	O
look	B-Application
and	I-Application
feel	I-Application
of	O
different	O
operating	O
systems	O
while	O
remaining	O
cross-platform	B-Operating_System
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
is	O
released	O
under	O
the	O
GPL-3.0-only	B-License
license	O
and	O
is	O
available	O
for	O
Windows	B-Application
,	O
macOS	B-Application
,	O
OS/2	B-Application
and	O
various	O
Linux	B-Application
distributions	O
.	O
</s>
<s>
The	O
feed	O
formats	O
supported	O
by	O
RSS	B-Language
Guard	I-Language
are	O
RSS/RDF	O
,	O
Atom	B-Application
,	O
and	O
JSON	B-General_Concept
Feed	I-General_Concept
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
can	O
synchronize	O
data	O
with	O
online	O
feed	O
services	O
Tiny	B-Application
Tiny	I-Application
RSS	I-Application
,	O
Nextcloud	O
News	O
,	O
Feedly	B-Application
,	O
Inoreader	B-Application
,	O
feed	B-Application
readers	I-Application
which	O
use	O
Google	B-Application
Reader	I-Application
's	O
API	O
such	O
as	O
FreshRSS	O
,	O
The	B-Application
Old	I-Application
Reader	I-Application
,	O
and	O
Bazqux	O
.	O
</s>
<s>
The	O
application	O
may	O
also	O
act	O
as	O
a	O
simple	O
e-mail	O
client	O
for	O
Gmail	B-Application
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
can	O
mark	O
articles	O
as	O
read	O
,	O
unread	O
,	O
and	O
important	O
.	O
</s>
<s>
Both	O
article	O
and	O
feed	O
lists	O
can	O
be	O
filtered	O
using	O
regular	B-Language
expressions	I-Language
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
is	O
bundled	O
with	O
JavaScript	B-Language
engine	O
which	O
is	O
used	O
to	O
write	O
article	O
filters	O
-	O
small	O
scripts	O
which	O
define	O
how	O
the	O
application	O
should	O
react	O
when	O
new	O
article	O
is	O
downloaded	O
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
also	O
provides	O
unified	O
way	O
of	O
executing	O
custom	O
programs	O
,	O
which	O
gives	O
another	O
way	O
to	O
modify	O
raw	O
feed	O
data	O
or	O
even	O
generate	O
it	O
,	O
scraping	O
the	O
data	O
from	O
websites	O
that	O
do	O
not	O
offer	O
a	O
regular	O
feed	O
.	O
</s>
<s>
They	O
can	O
also	O
be	O
hidden	O
,	O
making	O
RSS	B-Language
Guard	I-Language
look	O
very	O
minimalistic	O
.	O
</s>
<s>
When	O
in	O
a	O
horizontal	O
layout	O
,	O
the	O
articles	O
viewer	O
of	O
RSS	B-Language
Guard	I-Language
is	O
placed	O
to	O
the	O
right	O
side	O
of	O
the	O
articles	O
list	O
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
supports	O
skins	B-Application
.	O
</s>
<s>
Light	O
and	O
dark	O
skins	B-Application
are	O
available	O
by	O
default	O
.	O
</s>
<s>
Feed	O
data	O
can	O
be	O
stored	O
using	O
SQLite	B-Language
or	O
MariaDB	B-Application
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
also	O
supports	O
the	O
ability	O
to	O
import	O
and	O
export	O
the	O
database	O
file	O
and	O
settings	O
configuration	O
to/from	O
OPML	B-Application
2.0	I-Application
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
has	O
its	O
own	O
recycle	B-Application
bin	I-Application
to	O
prevent	O
the	O
accidental	O
loss	O
of	O
saved	O
articles	O
.	O
</s>
<s>
After	O
emptying	O
the	O
recycle	B-Application
bin	I-Application
,	O
removed	O
articles	O
will	O
not	O
appear	O
in	O
the	O
list	O
even	O
after	O
fetching	O
.	O
</s>
<s>
RSS	B-Language
Guard	I-Language
offers	O
two	O
different	O
versions	O
:	O
</s>
<s>
RSS	B-Language
Guard	I-Language
has	O
been	O
translated	O
into	O
many	O
languages	O
:	O
Chinese	O
(	O
Simplified	O
)	O
,	O
Chinese	O
(	O
Traditional	O
)	O
,	O
Czech	O
,	O
Danish	O
,	O
Dutch	O
,	O
English	O
,	O
Finnish	O
,	O
French	O
,	O
Galician	O
,	O
German	O
,	O
Indonesian	O
,	O
Italian	O
,	O
Japanese	O
,	O
Lithuanian	O
,	O
Polish	O
,	O
Portuguese	O
,	O
Russian	O
,	O
Spanish	O
,	O
Swedish	O
and	O
Ukrainian	O
.	O
</s>
