<s>
b2evolution	B-Protocol
is	O
a	O
content	B-Protocol
and	I-Protocol
community	I-Protocol
management	I-Protocol
system	I-Protocol
written	O
in	O
PHP	B-Application
and	O
backed	O
by	O
a	O
MySQL	B-Application
database	O
.	O
</s>
<s>
It	O
is	O
distributed	O
as	O
free	B-Application
software	I-Application
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
b2evolution	B-Protocol
originally	O
started	O
as	O
a	O
multi-user	O
multi-blog	O
engine	O
when	O
François	O
Planque	O
forked	O
b2evolution	B-Protocol
from	O
version	O
0.6.1	O
of	O
b2/cafelog	B-Application
in	O
2003	O
.	O
</s>
<s>
A	O
more	O
widely	O
known	O
fork	B-Application
of	O
b2/cafelog	B-Application
is	O
WordPress	B-Application
.	O
</s>
<s>
b2evolution	B-Protocol
is	O
available	O
in	O
web	O
host	O
control	B-Protocol
panels	I-Protocol
as	O
a	O
"	O
one	O
click	O
install	O
"	O
web	B-Application
app	I-Application
.	O
</s>
<s>
After	O
version	O
5.0	O
,	O
the	O
project	O
began	O
to	O
emphasize	O
online	B-Architecture
community	I-Architecture
and	O
online	O
marketing	O
features	O
and	O
integration	O
with	O
social	O
networking	O
sites	O
,	O
with	O
the	O
ability	O
to	O
automatically	O
post	O
new	O
content	O
to	O
Twitter	B-Application
.	O
</s>
<s>
b2evolution	B-Protocol
5.0	O
was	O
rapidly	O
adopted	O
,	O
becoming	O
the	O
most	O
popular	O
version	O
,	O
but	O
overall	O
b2evolution	B-Protocol
usage	O
is	O
declining	O
relative	O
to	O
competitors	O
WordPress	B-Application
and	O
Drupal	B-Application
.	O
</s>
<s>
Known	O
primarily	O
for	O
its	O
multi-blog	O
capabilities	O
,	O
b2evolution	B-Protocol
also	O
includes	O
"	O
all	O
the	O
features	O
of	O
traditional	O
blog	O
tools	O
"	O
like	O
file	O
&	O
photo	O
management	O
,	O
advanced	O
skinning	O
,	O
multiple	O
domain	O
support	O
,	O
detailed	O
user	O
permissions	O
,	O
and	O
W3C	O
standards	O
compliance	O
.	O
</s>
<s>
It	O
installs	O
on	O
almost	O
any	O
LAMP	B-Application
(	O
Linux	B-Application
,	O
Apache	B-Application
,	O
MySQL/MariaDB	O
,	O
PHP	B-Application
)	O
server	O
.	O
</s>
<s>
The	O
software	O
will	O
run	O
on	O
IIS	B-Application
using	O
FastCGI	O
,	O
but	O
database	O
servers	O
other	O
than	O
MySQL	B-Application
and	O
MariaDB	B-Application
are	O
not	O
supported	O
.	O
</s>
<s>
In	O
addition	O
to	O
its	O
ability	O
to	O
manage	O
multiple	O
blogs	O
,	O
b2evolution	B-Protocol
supports	O
multiple	O
users	O
and	O
admins	O
under	O
a	O
single	O
installation	O
without	O
the	O
need	O
of	O
external	O
plugins	B-Application
.	O
</s>
<s>
b2evolution	B-Protocol
also	O
supports	O
numerous	O
third-party	O
plugins	B-Application
.	O
</s>
<s>
These	O
include	O
text	O
format	O
extensions	O
enabling	O
Textile	O
,	O
Auto-P	O
,	O
Greymatter	O
,	O
BB	B-Language
code	I-Language
,	O
Texturize	O
,	O
LaTeX	B-Application
,	O
and	O
graphic	O
smilies	O
.	O
</s>
<s>
Also	O
,	O
plugins	B-Application
which	O
facilitate	O
full	O
integration	O
with	O
third	O
party	O
tools	O
such	O
as	O
Gallery	B-Application
2	I-Application
,	O
YouTube	B-General_Concept
,	O
and	O
digg	B-Application
are	O
available	O
.	O
</s>
<s>
Other	O
features	O
include	O
community-wide	O
spam	O
filters	O
,	O
in	O
which	O
many	O
b2evolution	B-Protocol
sites	O
aggregate	O
and	O
tag	O
spammer	O
IPs	B-Protocol
into	O
a	O
central	O
blacklist	O
for	O
the	O
benefit	O
of	O
all	O
b2evolution	B-Protocol
blogs	O
,	O
a	O
button	O
to	O
declare	O
"	O
comment	O
spam	O
bankruptcy	O
"	O
which	O
deletes	O
all	O
comments	O
across	O
an	O
entire	O
b2evolution	B-Protocol
installation	O
,	O
a	O
fully	O
skinnable	B-Application
interface	O
,	O
strong	O
SEO	O
features	O
including	O
automatic	O
redirection	O
of	O
renamed	O
articles	O
and	O
insertion	O
of	O
canonical	O
link	O
tags	O
,	O
url	O
shortening	O
,	O
localization	O
into	O
a	O
dozen	O
language	O
packs	O
,	O
and	O
a	O
fully	O
exposed	O
API	B-Application
for	O
plugin	B-Application
developers	O
to	O
add	O
new	O
functionality	O
.	O
</s>
<s>
b2evolution	B-Protocol
's	O
code	O
is	O
factored	B-Algorithm
into	O
the	O
blog	O
application	O
itself	O
and	O
a	O
framework	O
called	O
EvoCore	O
.	O
</s>
<s>
EvoCore	O
can	O
be	O
used	O
on	O
its	O
own	O
to	O
build	O
non-blog	O
web	B-Application
applications	I-Application
.	O
</s>
