<s>
Gitter	B-Protocol
is	O
an	O
open-source	B-Application
instant	B-Application
messaging	I-Application
and	O
chat	O
room	O
system	O
for	O
developers	O
and	O
users	O
of	O
GitLab	B-Application
and	O
GitHub	B-Application
repositories	B-General_Concept
.	O
</s>
<s>
Gitter	B-Protocol
is	O
provided	O
as	O
software-as-a-service	B-Architecture
,	O
with	O
a	O
free	O
option	O
providing	O
all	O
basic	O
features	O
and	O
the	O
ability	O
to	O
create	O
a	O
single	O
private	O
chat	O
room	O
,	O
and	O
paid	O
subscription	O
options	O
for	O
individuals	O
and	O
organisations	O
,	O
which	O
allows	O
them	O
to	O
create	O
arbitrary	O
numbers	O
of	O
private	O
chat	O
rooms	O
.	O
</s>
<s>
Individual	O
chat	O
rooms	O
can	O
be	O
created	O
for	O
individual	O
git	B-Application
repositories	B-General_Concept
on	O
GitHub	B-Application
.	O
</s>
<s>
Chatroom	O
privacy	O
follows	O
the	O
privacy	O
settings	O
of	O
the	O
associated	O
GitHub	B-Application
repository	B-General_Concept
:	O
thus	O
,	O
a	O
chatroom	O
for	O
a	O
private	O
(	O
i.e.	O
</s>
<s>
members-only	O
)	O
GitHub	B-Application
repository	B-General_Concept
is	O
also	O
private	O
to	O
those	O
with	O
access	O
to	O
the	O
repository	B-General_Concept
.	O
</s>
<s>
A	O
graphical	O
badge	O
linking	O
to	O
the	O
chat	O
room	O
can	O
then	O
be	O
placed	O
in	O
the	O
git	B-Application
repository	B-General_Concept
's	O
README	O
file	O
,	O
bringing	O
it	O
to	O
the	O
attention	O
of	O
all	O
users	O
and	O
developers	O
of	O
the	O
project	O
.	O
</s>
<s>
Gitter	B-Protocol
is	O
similar	O
to	O
Slack	B-Protocol
.	O
</s>
<s>
Like	O
Slack	B-Protocol
,	O
it	O
automatically	O
logs	O
all	O
messages	O
in	B-Architecture
the	I-Architecture
cloud	I-Architecture
.	O
</s>
<s>
In	O
late	O
2020	O
,	O
New	O
Vector	O
Limited	O
acquired	O
Gitter	B-Protocol
from	O
GitLab	B-Application
,	O
and	O
announced	O
Gitter	B-Protocol
's	O
features	O
would	O
eventually	O
be	O
moved	O
to	O
New	O
Vector	O
's	O
flagship	O
product	O
,	O
Element	B-Protocol
,	O
thereby	O
replacing	O
Gitter	B-Protocol
entirely	O
.	O
</s>
<s>
On	O
February	O
13	O
,	O
2023	O
,	O
Gitter	B-Protocol
migrated	O
their	O
service	O
to	O
a	O
custom-branded	O
Matrix	O
instance	O
that	O
uses	O
Element	B-Protocol
for	O
its	O
web	O
interface	O
.	O
</s>
<s>
Gitter	B-Protocol
supports	O
:	O
</s>
<s>
User	O
hovercards	O
,	O
based	O
on	O
their	O
GitHub	B-Application
profiles	O
and	O
statistics	O
(	O
number	O
of	O
GitHub	B-Application
followers	O
,	O
etc	O
.	O
)	O
</s>
<s>
Gitter	B-Protocol
integrates	O
with	O
Trello	B-Application
,	O
Jenkins	B-Language
,	O
Travis	B-Application
CI	I-Application
,	O
Drone	O
(	O
software	O
)	O
,	O
Heroku	B-General_Concept
,	O
and	O
Bitbucket	B-Protocol
,	O
among	O
others	O
.	O
</s>
<s>
Official	O
Gitter	B-Protocol
apps	O
for	O
Windows	O
,	O
Mac	O
,	O
Linux	O
,	O
iOS	O
and	O
Android	O
are	O
available	O
.	O
</s>
<s>
Like	O
other	O
chat	O
technologies	O
,	O
Gitter	B-Protocol
allows	O
clients	O
to	O
instant	B-Application
message	I-Application
each	O
other	O
.	O
</s>
<s>
It	O
allows	O
people	O
to	O
authenticate	O
using	O
a	O
GitHub	B-Application
account	O
and	O
join	O
a	O
chatroom	O
from	O
a	O
web	B-Application
browser	I-Application
,	O
thus	O
not	O
requiring	O
one	O
to	O
install	O
any	O
software	O
,	O
or	O
create	O
additional	O
online	O
accounts	O
.	O
</s>
<s>
Gitter	B-Protocol
was	O
created	O
by	O
some	O
developers	O
who	O
were	O
initially	O
trying	O
to	O
create	O
a	O
generic	O
web-based	B-Application
chat	O
product	O
,	O
but	O
then	O
wrote	O
extra	O
code	O
to	O
hook	O
their	O
chat	B-Application
application	I-Application
up	O
to	O
GitHub	B-Application
to	O
meet	O
their	O
own	O
needs	O
,	O
and	O
realised	O
that	O
they	O
could	O
turn	O
the	O
combined	O
product	O
into	O
a	O
viable	O
specialist	O
product	O
in	O
its	O
own	O
right	O
.	O
</s>
<s>
Gitter	B-Protocol
came	O
out	O
of	O
beta	O
in	O
2014	O
.	O
</s>
<s>
During	O
the	O
beta	O
period	O
,	O
Gitter	B-Protocol
delivered	O
1.8	O
million	O
chat	O
messages	O
.	O
</s>
<s>
On	O
March	O
15	O
,	O
2017	O
,	O
GitLab	B-Application
announced	O
the	O
acquisition	O
of	O
Gitter	B-Protocol
.	O
</s>
<s>
Included	O
in	O
the	O
announcement	O
was	O
the	O
stated	O
intent	O
that	O
Gitter	B-Protocol
would	O
continue	O
as	O
a	O
standalone	O
project	O
.	O
</s>
<s>
Additionally	O
,	O
GitLab	B-Application
announced	O
that	O
the	O
code	O
would	O
become	O
open	O
source	O
under	O
an	O
MIT	B-License
License	I-License
no	O
later	O
than	O
June	O
2017	O
.	O
</s>
<s>
On	O
September	O
30	O
,	O
2020	O
,	O
New	O
Vector	O
Limited	O
acquired	O
Gitter	B-Protocol
from	O
GitLab	B-Application
,	O
and	O
announced	O
upcoming	O
support	O
for	O
the	O
Matrix	B-Protocol
protocol	I-Protocol
in	O
Gitter	B-Protocol
,	O
which	O
went	O
live	O
by	O
the	O
end	O
of	O
the	O
year	O
.	O
</s>
<s>
Gitter	B-Protocol
's	O
features	O
would	O
eventually	O
be	O
moved	O
to	O
New	O
Vector	O
's	O
flagship	O
product	O
,	O
Element	B-Protocol
,	O
thereby	O
replacing	O
Gitter	B-Protocol
entirely	O
.	O
</s>
<s>
On	O
February	O
13	O
,	O
2023	O
,	O
Gitter	B-Protocol
migrated	O
their	O
service	O
to	O
a	O
custom-branded	O
Matrix	O
instance	O
that	O
uses	O
Element	B-Protocol
for	O
its	O
web	O
interface	O
.	O
</s>
<s>
The	O
Gitter	B-Protocol
web	B-Application
application	I-Application
is	O
implemented	O
entirely	O
in	O
JavaScript	B-Language
,	O
with	O
the	O
back	B-Architecture
end	I-Architecture
being	O
implemented	O
on	O
Node.js	B-Language
.	O
</s>
<s>
The	O
source	O
code	O
to	O
the	O
web	B-Application
application	I-Application
was	O
formerly	O
proprietary	O
(	O
it	O
was	O
open-sourced	O
in	O
June	O
2017	O
)	O
,	O
although	O
Gitter	B-Protocol
had	O
made	O
numerous	O
auxiliary	O
projects	O
available	O
as	O
open-source	B-Application
software	I-Application
,	O
such	O
as	O
an	O
IRC	O
bridge	O
for	O
IRC	O
users	O
who	O
prefer	O
using	O
IRC	O
client	O
applications	O
(	O
and	O
their	O
extra	O
features	O
)	O
to	O
converse	O
in	O
the	O
Gitter	B-Protocol
chat	O
rooms	O
.	O
</s>
