<s>
Foliate	B-Application
is	O
a	O
free	O
e-book	O
reading	O
application	O
for	O
desktop	O
Linux	B-Application
systems	O
.	O
</s>
<s>
Foliate	B-Application
focuses	O
on	O
reading	O
and	O
supports	O
book	O
management	O
with	O
a	O
dedicated	O
library	O
view	O
.	O
</s>
<s>
It	O
supports	O
typical	O
e-book	O
formats	O
with	O
reflowable	O
text	O
:	O
EPUB	O
(	O
primary	O
focus	O
)	O
,	O
Mobipocket	O
,	O
AZW(3 )	O
,	O
and	O
no	O
formats	O
with	O
fixed	O
layout	O
,	O
although	O
PDF	B-Application
support	O
is	O
being	O
considered	O
.	O
</s>
<s>
Its	O
customizable	O
and	O
theme-based	O
user	B-Application
interface	I-Application
is	O
inspired	O
by	O
those	O
of	O
portable	O
e-reader	O
hardware	O
devices	O
.	O
</s>
<s>
It	O
follows	O
the	O
GNOME	B-Application
standards	O
and	O
automatically	O
adapts	O
to	O
different	O
screen	O
formats	O
.	O
</s>
<s>
It	O
has	O
a	O
toggleable	O
navigation	O
sidebar	O
,	O
can	O
display	O
a	O
reading	O
time	O
estimate	O
with	O
a	O
progress	O
slider	O
with	O
chapter	O
markers	O
and	O
supports	O
multi-touch	B-Application
gestures	O
such	O
as	O
pinch	B-Application
zoom	I-Application
.	O
</s>
<s>
In	O
skeuomorphic	O
mode	O
,	O
Foliate	B-Application
mimicks	O
the	O
look	O
of	O
a	O
traditional	O
paper	O
book	O
.	O
</s>
<s>
Foliate	B-Application
can	O
browse	O
the	O
OPDS	O
feed	O
of	O
Project	O
Gutenberg	O
,	O
Standard	O
Ebooks	O
and	O
Feedbooks	O
,	O
and	O
can	O
automatically	O
download	O
royalty	O
free	O
ebooks	O
from	O
these	O
sources	O
.	O
</s>
<s>
Foliate	B-Application
supports	O
speech	B-Application
synthesis	I-Application
using	O
eSpeak	B-Language
,	O
eSpeakNG	B-Language
or	O
Festival	B-Language
,	O
albeit	O
without	O
automatic	O
detection	O
of	O
the	O
content	O
language	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
use	O
Google	O
's	O
text	B-Application
to	I-Application
speech	I-Application
service	O
in	O
Foliate	B-Application
.	O
</s>
<s>
A	O
full-text	O
search	O
is	O
available	O
(	O
also	O
for	O
annotations	O
)	O
,	O
as	O
well	O
as	O
word	O
lookup	O
(	O
in	O
Wikipedia	O
and	O
Wiktionary	O
or	O
offline	O
dictionaries	O
via	O
a	O
dictd	O
interface	O
)	O
and	O
integration	O
of	O
Google	B-Application
Translate	I-Application
.	O
</s>
<s>
The	O
application	O
stores	O
reading	O
progress	O
,	O
bookmarks	O
and	O
annotations	O
in	O
a	O
central	O
directory	O
using	O
one	O
JSON	B-General_Concept
file	O
per	O
book	O
.	O
</s>
<s>
The	O
application	O
is	O
written	O
in	O
JavaScript	B-Language
,	O
based	O
on	O
the	O
JavaScript	B-Language
interpreter	O
GJS	B-Language
,	O
the	O
epub.js	O
library	O
,	O
the	O
rendering	O
engine	O
WebKit	B-Language
and	O
GTK	B-Application
3	O
for	O
the	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
Support	O
for	O
the	O
Kindle	O
formats	O
(	O
mobi	O
,	O
azwX	O
)	O
is	O
based	O
on	O
a	O
Python	B-Language
module	O
.	O
</s>
<s>
Foliate	B-Application
is	O
published	O
as	O
Free	B-Application
Software	I-Application
,	O
and	O
therefore	O
with	O
its	O
complete	O
source	O
code	O
,	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
in	O
version	O
3	O
or	O
later	O
.	O
</s>
<s>
It	O
was	O
first	O
published	O
on	O
26	O
May	O
2019	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Binary	O
files	O
are	O
distributed	O
primarily	O
as	O
Flatpak	B-Language
packages	O
via	O
flathub	B-Language
.	O
</s>
<s>
These	O
can	O
be	O
installed	O
on	O
several	O
major	O
Linux	B-Application
distributions	I-Application
using	O
on-board	O
tools	O
.	O
</s>
<s>
It	O
has	O
been	O
included	O
in	O
the	O
default	O
package	B-Application
repositories	I-Application
of	O
several	O
distributions	O
,	O
including	O
Fedora	O
,	O
Arch	O
and	O
OpenSUSE	B-Operating_System
.	O
</s>
<s>
Additionally	O
,	O
there	O
are	O
Snap	B-Application
packages	I-Application
available	O
through	O
the	O
snap	B-Application
store	I-Application
and	O
a	O
.deb	O
file	O
for	O
Debian-based	O
distributions	O
which	O
can	O
also	O
be	O
installed	O
and	O
updated	O
via	O
a	O
Personal	B-Application
Package	I-Application
Archive	I-Application
under	O
Ubuntu	B-Operating_System
and	O
its	O
siblings	O
.	O
</s>
<s>
It	O
can	O
be	O
also	O
installed	O
in	O
an	O
Android	B-Application
phone	I-Application
using	O
Termux	O
and	O
VNC	B-Protocol
.	O
</s>
