<s>
Wiki.js	B-Application
is	O
a	O
wiki	B-Protocol
engine	I-Protocol
running	O
on	O
Node.js	B-Language
and	O
written	O
in	O
JavaScript	B-Language
.	O
</s>
<s>
It	O
is	O
free	B-Application
software	I-Application
released	O
under	O
the	O
Affero	B-Application
GNU	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
<s>
It	O
is	O
available	O
as	O
a	O
self-hosted	O
solution	O
or	O
using	O
"	O
single-click	O
"	O
install	O
on	O
the	O
DigitalOcean	B-Application
and	O
AWS	B-Application
marketplace	O
.	O
</s>
<s>
Content	O
is	O
written	O
using	O
the	O
Markdown	O
syntax	O
,	O
using	O
a	O
visual	B-Application
editor	I-Application
,	O
and	O
saved	O
directly	O
as	O
Markdown	O
files	O
.	O
</s>
<s>
Content	O
is	O
continuously	O
synced	O
with	O
a	O
remote	O
Git	B-Application
repository	O
,	O
which	O
serves	O
both	O
as	O
a	O
backup	O
and	O
single	B-Application
source	I-Application
of	I-Application
truth	I-Application
in	O
case	O
of	O
restores	O
or	O
multiple	O
servers	O
setup	O
.	O
</s>
<s>
Git	B-Application
in	O
2.x	O
is	O
optional	O
and	O
can	O
be	O
replaced	O
with	O
other	O
storage	O
providers	O
.	O
</s>
<s>
Access	O
can	O
be	O
given	O
to	O
all	O
or	O
specific	O
sections	O
of	O
the	O
wiki	B-Protocol
.	O
</s>
<s>
More	O
integrations	O
are	O
planned	O
to	O
be	O
added	O
in	O
the	O
next	O
major	O
upgrade	O
to	O
Wiki.js	B-Application
.	O
</s>
<s>
Authentication	O
with	O
Wiki.js	B-Application
can	O
be	O
done	O
in	O
many	O
ways	O
.	O
</s>
<s>
Some	O
popular	O
authentication	O
methods	O
are	O
Local	O
Authentication	O
,	O
LDAP/Active	O
Directory	O
,	O
Google	B-Application
OAuth	O
,	O
GitHub	B-Application
,	O
Discord	B-Application
or	O
SAML	O
2.0	O
.	O
</s>
<s>
With	O
future	O
updates	O
,	O
more	O
providers	O
are	O
being	O
added	O
such	O
as	O
Microsoft	O
and	O
Central	B-Language
Authentication	I-Language
Service	I-Language
.	O
</s>
<s>
Prerequisites	O
for	O
running	O
Wiki.js	B-Application
2.x	O
:	O
</s>
<s>
PostgreSQL	B-Application
9.5	O
or	O
later	O
,	O
or	O
MySQL	B-Application
8.0	O
or	O
later	O
,	O
or	O
MariaDB	B-Application
10.2.7	O
or	O
later	O
,	O
or	O
SQLite	B-Language
3.9	O
or	O
later	O
,	O
or	O
MS	B-Application
SQL	I-Application
server	I-Application
2012	O
or	O
later	O
.	O
</s>
<s>
Prerequisites	O
for	O
running	O
Wiki.js	B-Application
1.x	O
:	O
</s>
<s>
A	O
public	O
or	O
private	O
Git	B-Application
repository	O
(	O
Any	O
standard	O
Git	B-Application
server	O
,	O
GitHub	B-Application
,	O
GitLab	B-Application
,	O
BitBucket	B-Protocol
,	O
Visual	O
Studio	O
Team	O
Services	O
,	O
etc	O
.	O
)	O
</s>
<s>
Wiki.js	B-Application
is	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
software	I-Application
and	O
is	O
distributed	O
under	O
the	O
terms	O
of	O
the	O
Affero	B-Application
GNU	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
