<s>
Apache	B-Application
Directory	I-Application
is	O
an	O
open	B-Application
source	I-Application
project	O
of	O
the	O
Apache	O
Software	O
Foundation	O
.	O
</s>
<s>
The	O
Apache	B-Application
Directory	I-Application
Server	I-Application
,	O
originally	O
written	O
by	O
Alex	O
Karasulu	O
,	O
is	O
an	O
embeddable	O
directory	O
server	O
entirely	O
written	O
in	O
Java	B-Language
.	O
</s>
<s>
It	O
was	O
certified	O
LDAPv3-compatible	O
by	O
The	B-Application
Open	I-Application
Group	I-Application
in	O
2006	O
.	O
</s>
<s>
Besides	O
LDAP	B-Protocol
,	O
the	O
server	O
supports	O
other	O
protocols	O
as	O
well	O
,	O
and	O
a	O
Kerberos	B-Protocol
server	O
.	O
</s>
<s>
Apache	B-Application
Directory	I-Application
Studio	I-Application
-	O
an	O
LDAP	B-Protocol
browser/editor	O
for	O
data	O
,	O
schema	O
,	O
LDIF	O
,	O
and	O
DSML	B-General_Concept
written	O
in	O
an	O
Eclipse-based	O
framework	O
.	O
</s>
<s>
Apache	B-Application
Fortress	I-Application
-	O
a	O
standards-based	O
authorization	O
system	O
.	O
</s>
<s>
Apache	O
Kerby	O
-	O
a	O
Kerberos	B-Protocol
implementation	O
written	O
in	O
Java	B-Language
.	O
</s>
<s>
Apache	B-Application
LDAP	I-Application
API	I-Application
-	O
an	O
SDK	O
for	O
directory	O
access	O
in	O
Java	B-Language
.	O
</s>
<s>
Apache	O
Mavibot	O
-	O
a	O
Multi	O
Version	O
Concurrency	O
Control	O
(	O
MVCC	B-Operating_System
)	O
BTree	B-Architecture
in	O
Java	B-Language
.	O
</s>
