<s>
Sefaria	B-Application
is	O
an	O
online	O
open	B-License
source	I-License
,	O
free	O
content	O
,	O
digital	O
library	O
of	O
Jewish	O
texts	O
.	O
</s>
<s>
It	O
was	O
founded	O
in	O
2011	O
by	O
former	O
Google	B-Application
project	O
manager	O
Brett	O
Lockspeiser	O
and	O
journalist-author	O
Joshua	O
Foer	O
.	O
</s>
<s>
Calling	O
itself	O
"	O
a	O
living	O
library	O
of	O
Jewish	O
texts	O
"	O
,	O
Sefaria	B-Application
relies	O
on	O
volunteers	O
to	O
add	O
texts	O
and	O
translations	O
.	O
</s>
<s>
Hebrew	O
,	O
Aramaic	O
,	O
and	O
Judeo-Arabic	O
texts	O
are	O
provided	O
under	O
a	O
free	B-License
license	I-License
in	O
the	O
original	O
and	O
in	O
translation	O
.	O
</s>
<s>
Sefaria	B-Application
is	O
a	O
non-profit	O
organization	O
.	O
</s>
<s>
The	O
name	O
Sefaria	B-Application
derives	O
from	O
the	O
words	O
sefer	O
,	O
or	O
"	O
book	O
"	O
,	O
and	O
sifria	O
(	O
"	O
library	O
"	O
)	O
in	O
Hebrew	O
.	O
</s>
<s>
Sefaria	B-Application
was	O
originally	O
founded	O
in	O
2011	O
by	O
journalist	O
Joshua	O
Foer	O
and	O
Brett	O
Lockspeiser	O
,	O
a	O
former	O
product	O
manager	O
at	O
Google	B-Application
.	I-Application
</s>
<s>
By	O
2015	O
,	O
twelve	O
apps	B-Application
used	O
Sefaria	B-Application
's	O
API	B-General_Concept
and	O
database	O
.	O
</s>
<s>
Also	O
in	O
2015	O
,	O
Sefaria	B-Application
reached	O
a	O
deal	O
to	O
use	O
Urim	O
Publications	O
 '	O
translations	O
of	O
the	O
Tanakh	O
and	O
commentaries	O
.	O
</s>
<s>
Sefaria	B-Application
's	O
website	O
received	O
a	O
major	O
redesign	O
in	O
2016	O
,	O
alongside	O
the	O
release	O
of	O
new	O
apps	B-Application
for	O
smartphones	B-Application
running	O
iOS	B-Application
and	O
Android	B-Application
,	O
and	O
a	O
complete	O
English	O
translation	O
of	O
Rashi	O
's	O
commentary	O
on	O
the	O
Torah	O
.	O
</s>
<s>
Sefaria	B-Application
reached	O
a	O
major	O
milestone	O
in	O
2017	O
,	O
with	O
the	O
release	O
of	O
the	O
William	O
Davidson	O
Talmud	O
.	O
</s>
<s>
In	O
2021	O
,	O
Sefaria	B-Application
announced	O
a	O
major	O
addition	O
of	O
a	O
complete	O
translation	O
of	O
Ibn	O
Ezra	O
's	O
Torah	O
commentaries	O
provided	O
by	O
H	O
.	O
Norman	O
Strickman	O
and	O
Arthur	O
M	O
.	O
Silver	O
,	O
one	O
of	O
the	O
only	O
resources	O
to	O
have	O
a	O
complete	O
translation	O
of	O
these	O
works	O
in	O
English	O
.	O
</s>
<s>
Sefaria	B-Application
has	O
a	O
vast	O
library	O
of	O
Jewish	O
text	O
,	O
including	O
Tanakh	O
,	O
Talmud	O
,	O
and	O
Jewish	O
prayers	O
alongside	O
sources	O
in	O
philosophy	O
,	O
mysticism	O
,	O
Jewish	O
law	O
,	O
and	O
newer	O
works	O
.	O
</s>
<s>
Sefaria	B-Application
's	O
content	O
comes	O
from	O
a	O
variety	O
of	O
sources	O
.	O
</s>
<s>
Some	O
publishers	O
have	O
also	O
provided	O
works	O
directly	O
to	O
Sefaria	B-Application
.	O
</s>
<s>
Sefaria	B-Application
also	O
produces	O
visualizations	B-Application
of	O
the	O
texts	O
in	O
its	O
corpus	O
,	O
such	O
as	O
illustrating	O
connections	O
between	O
the	O
Tanakh	O
and	O
Talmud	O
.	O
</s>
<s>
Sefaria	B-Application
's	O
Source	O
Sheet	O
Builder	O
allows	O
users	O
to	O
create	O
a	O
page	O
with	O
source	O
text	O
from	O
Sefaria	B-Application
.	O
</s>
