<s>
Usenet	B-Application
is	O
a	O
worldwide	O
,	O
distributed	O
discussion	O
system	O
that	O
uses	O
the	O
Network	B-Protocol
News	I-Protocol
Transfer	I-Protocol
Protocol	I-Protocol
(	O
NNTP	B-Protocol
)	O
.	O
</s>
<s>
Programs	O
called	O
newsreaders	B-Protocol
are	O
used	O
to	O
read	O
and	O
post	O
messages	O
(	O
called	O
articles	O
or	O
posts	O
,	O
and	O
collectively	O
termed	O
news	O
)	O
to	O
one	O
or	O
more	O
newsgroups	B-Application
.	O
</s>
<s>
Users	O
must	O
have	O
access	O
to	O
a	O
news	B-Application
server	I-Application
to	O
use	O
a	O
newsreader	B-Protocol
.	O
</s>
<s>
This	O
is	O
a	O
list	O
of	O
such	O
newsreaders	B-Protocol
.	O
</s>
<s>
These	O
generally	O
offer	O
multi-server	O
and	O
multi-connection	O
support	O
.	O
</s>
<s>
Most	O
now	O
support	O
NZBs	B-Application
,	O
and	O
several	O
either	O
support	O
or	O
plan	O
to	O
support	O
automatic	O
Par2	B-General_Concept
processing	O
.	O
</s>
<s>
NZB	B-Application
downloader	O
–	O
binary	O
grabber	O
client	O
without	O
header	O
support	O
–	O
cannot	O
browse	O
groups	O
or	O
read/post	O
text	O
messages	O
;	O
can	O
only	O
load	O
3rd-party	O
NZBs	B-Application
to	O
download	O
binary	O
post	O
attachments	O
.	O
</s>
<s>
Some	O
incorporate	O
an	O
interface	O
for	O
accessing	O
selected	O
NZB	B-Application
search	O
websites	O
.	O
</s>
<s>
Web-Based	O
Client	O
-	O
Client	O
designed	O
for	O
access	O
through	O
a	O
web	O
browser	O
and	O
does	O
not	O
require	O
any	O
additional	O
software	O
to	O
access	O
Usenet	B-Application
.	O
</s>
<s>
Claws	B-Language
Mail	I-Language
is	O
a	O
GTK+	O
-based	O
email	O
and	O
news	B-Protocol
client	I-Protocol
for	O
Linux	B-Application
,	O
BSD	B-Operating_System
,	O
Solaris	B-Application
,	O
and	O
Windows	B-Application
.	O
</s>
<s>
Gnus	B-Operating_System
,	O
is	O
an	O
email	O
and	O
news	B-Protocol
client	I-Protocol
,	O
and	O
feed	B-Application
reader	I-Application
for	O
GNU	B-Application
Emacs	I-Application
.	O
</s>
<s>
Mozilla	B-Application
Thunderbird	I-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
cross-platform	B-Operating_System
email	B-Protocol
client	I-Protocol
,	O
news	B-Protocol
client	I-Protocol
,	O
RSS	O
and	O
chat	O
client	O
developed	O
by	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
Pan	B-Language
a	O
full-featured	O
text	O
and	O
binary	O
NNTP	B-Protocol
and	O
Usenet	B-Protocol
client	I-Protocol
for	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
OpenBSD	B-Operating_System
,	O
OpenSolaris	B-Operating_System
,	O
and	O
Windows	B-Application
.	O
</s>
