<s>
Mitro	B-Language
was	O
a	O
password	O
manager	O
for	O
individuals	O
and	O
teams	O
that	O
securely	O
saved	O
users	O
 '	O
logins	O
,	O
and	O
allowed	O
users	O
to	O
log	O
in	O
and	O
share	O
access	O
.	O
</s>
<s>
On	O
October	O
6	O
,	O
2015	O
,	O
the	O
Mitro	B-Language
service	O
shut	O
down	O
.	O
</s>
<s>
The	O
successor	O
to	O
Mitro	B-Language
is	O
named	O
Passopolis	O
;	O
this	O
is	O
a	O
password	O
manager	O
built	O
upon	O
the	O
Mitro	B-Language
source	O
code	O
.	O
</s>
<s>
Mitro	B-Language
was	O
founded	O
in	O
2012	O
by	O
Vijay	O
Pandurangan	O
,	O
Evan	O
Jones	O
,	O
and	O
Adam	O
Hilss	O
.	O
</s>
<s>
On	O
July	O
31	O
,	O
2014	O
,	O
the	O
Mitro	B-Language
team	O
announced	O
that	O
they	O
would	O
join	O
Twitter	B-Application
,	O
and	O
at	O
the	O
same	O
time	O
,	O
they	O
released	O
the	O
source	O
code	O
for	O
Mitro	B-Language
on	O
GitHub	B-Application
as	O
free	B-Application
software	I-Application
under	O
GPL	B-License
.	O
</s>
<s>
The	O
Mitro	B-Language
team	O
announced	O
the	O
shuttering	O
of	O
the	O
Mitro	B-Language
service	O
with	O
the	O
following	O
timeline	O
:	O
</s>
<s>
The	O
Mitro	B-Language
team	O
explained	O
the	O
reason	O
for	O
shutting	O
down	O
the	O
service	O
was	O
that	O
the	O
cost	O
and	O
administrative	O
burden	O
to	O
maintain	O
the	O
service	O
in	O
their	O
spare	O
time	O
with	O
their	O
own	O
money	O
had	O
become	O
too	O
much	O
.	O
</s>
<s>
Former	O
customers	O
were	O
encouraged	O
to	O
move	O
to	O
Passopolis	O
,	O
and	O
independent	O
project	O
that	O
uses	O
the	O
open	O
source	O
Mitro	B-Language
code	O
,	O
or	O
use	O
alternatives	O
such	O
as	O
1Password	B-Operating_System
,	O
Dashlane	B-Operating_System
,	O
or	O
LastPass	B-Operating_System
.	O
</s>
<s>
On	O
October	O
5	O
,	O
2015	O
,	O
Mitro	B-Language
was	O
officially	O
terminated	O
by	O
Twitter	B-Application
.	O
</s>
<s>
Mitro	B-Language
was	O
backed	O
by	O
$1.2	O
million	O
in	O
seed	O
funding	O
from	O
Google	O
Ventures	O
and	O
Matrix	O
Partners	O
.	O
</s>
<s>
Mitro	B-Language
uses	O
Google	O
's	O
Keyczar	O
on	O
the	O
server	O
and	O
Keyczar	O
JS	O
implementation	O
on	O
the	O
browser	O
.	O
</s>
