<s>
Phabricator	B-Language
is	O
a	O
suite	O
of	O
web-based	B-Application
development	B-Application
collaboration	I-Application
tools	I-Application
,	O
which	O
includes	O
Differential	O
code	B-General_Concept
review	I-General_Concept
tool	I-General_Concept
,	O
Diffusion	O
repository	O
browser	O
,	O
Herald	O
change	O
monitoring	O
tool	O
,	O
Maniphest	B-Language
bug	B-Application
tracker	I-Application
,	O
Phriction	B-Language
wiki	B-Protocol
.	O
</s>
<s>
Phabricator	B-Language
integrates	O
with	O
Git	B-Application
,	O
Mercurial	B-Protocol
,	O
and	O
Subversion	B-Application
.	O
</s>
<s>
It	O
is	O
available	O
as	O
free	B-Application
software	I-Application
under	O
the	O
Apache	B-Application
License	I-Application
2.0	I-Application
.	O
</s>
<s>
Phabricator	B-Language
was	O
originally	O
developed	O
as	O
an	O
internal	O
tool	O
at	O
Facebook	B-Application
overseen	O
by	O
Evan	O
Priestley	O
.	O
</s>
<s>
Priestley	O
left	O
Facebook	B-Application
to	O
continue	O
Phabricator	B-Language
's	O
development	O
in	O
a	O
new	O
company	O
called	O
Phacility	B-Language
.	O
</s>
<s>
On	O
May	O
29	O
,	O
2021	O
,	O
Phacility	B-Language
announced	O
that	O
it	O
was	O
ceasing	O
operations	O
and	O
no	O
longer	O
maintaining	O
Phabricator	B-Language
starting	O
June	O
1	O
,	O
2021	O
.	O
</s>
<s>
A	O
community	B-Application
fork	I-Application
,	O
Phorge	B-Language
,	O
was	O
created	O
and	O
announced	O
its	O
stable	O
release	O
to	O
the	O
public	O
on	O
September	O
7	O
,	O
2022	O
.	O
</s>
<s>
Phabricator	B-Language
's	O
users	O
include	O
:	O
</s>
