<s>
Listaller	B-Application
is	O
a	O
free	B-Application
computer	I-Application
software	I-Application
installation	O
system	O
(	O
similar	O
to	O
a	O
package	B-Application
management	I-Application
system	I-Application
)	O
aimed	O
at	O
making	O
it	O
simple	O
to	O
create	O
a	O
package	O
that	O
can	O
be	O
installed	O
on	O
all	O
Linux	B-Application
distributions	I-Application
as	O
well	O
as	O
providing	O
tools	O
and	O
API	O
to	O
make	O
software	O
management	O
on	O
Linux	B-Application
more	O
user-friendly	O
.	O
</s>
<s>
Listaller	B-Application
was	O
started	O
in	O
December	O
2007	O
by	O
freedesktop.org	B-Application
developer	O
Matthias	O
Klumpp	O
as	O
an	O
experimental	O
project	O
to	O
explore	O
the	O
possibility	O
of	O
writing	O
a	O
universal	O
user	O
interface	O
to	O
manage	O
all	O
kinds	O
of	O
Linux	B-Application
software	O
,	O
no	O
matter	O
how	O
it	O
was	O
installed	O
.	O
</s>
<s>
Therefore	O
,	O
Listaller	B-Application
had	O
backends	O
to	O
manage	O
Autopackage	B-Application
,	O
LOKI	O
,	O
and	O
native	O
distribution	O
packages	O
.	O
</s>
<s>
Interaction	O
with	O
the	O
native	O
distribution	O
package	B-Application
management	I-Application
was	O
done	O
via	O
an	O
own	O
abstraction	O
layer	O
,	O
which	O
was	O
later	O
replaced	O
by	O
PackageKit	B-Language
.	O
</s>
<s>
Listaller	B-Application
also	O
provided	O
a	O
cross-distribution	O
software	O
installation	O
format	O
which	O
should	O
have	O
made	O
it	O
easier	O
to	O
create	O
packages	O
which	O
run	O
on	O
multiple	O
distributions	O
.	O
</s>
<s>
The	O
installer	O
part	O
of	O
Listaller	B-Application
was	O
also	O
able	O
to	O
assist	O
in	O
installing	O
Autopackage	B-Application
packages	O
.	O
</s>
<s>
The	O
very	O
first	O
versions	O
were	O
written	O
in	O
Object	B-Language
Pascal	I-Language
.	O
</s>
<s>
Although	O
the	O
project	O
started	O
as	O
an	O
experiment	O
,	O
it	O
soon	O
evolved	O
to	O
a	O
competitor	O
for	O
Autopackage	B-Application
and	O
Mojo	O
.	O
</s>
<s>
Until	O
2011	O
,	O
Listaller	B-Application
never	O
made	O
any	O
stable	O
release	O
.	O
</s>
<s>
With	O
the	O
announcement	O
of	O
AppStream	B-Application
a	O
lot	O
of	O
the	O
original	O
Listaller	B-Application
goals	O
would	O
be	O
achieved	O
,	O
so	O
the	O
author	O
decided	O
to	O
change	O
Listaller	B-Application
away	O
from	O
a	O
full	O
software	O
manager	O
to	O
a	O
software	O
installer	O
only	O
and	O
joined	O
forces	O
with	O
the	O
AppStream	B-Application
project	O
.	O
</s>
<s>
Because	O
Pascal	O
was	O
not	O
considered	O
as	O
ideal	O
language	O
to	O
collaborate	O
with	O
other	O
projects	O
and	O
the	O
project	O
already	O
had	O
spent	O
much	O
time	O
in	O
developing	O
Pascal	O
bindings	O
to	O
third-party	O
libraries	B-Library
,	O
Listaller	B-Application
was	O
rewritten	O
in	O
Vala	B-Language
with	O
a	O
subset	O
of	O
the	O
original	O
features	O
and	O
the	O
main	O
goal	O
to	O
provide	O
seamless	O
integration	O
with	O
AppStream	B-Application
and	O
PackageKit	B-Language
.	O
</s>
<s>
Therefore	O
the	O
universal	O
software	O
manager	O
part	O
was	O
removed	O
and	O
the	O
project	O
now	O
focuses	O
on	O
creating	O
a	O
cross-distro	O
format	O
for	O
distribution	O
of	O
binary	O
Linux	B-Application
software	O
.	O
</s>
<s>
Limba	O
is	O
supposed	O
to	O
be	O
Listaller	B-Application
's	O
next	O
version	O
.	O
</s>
<s>
Listaller	B-Application
is	O
intended	O
to	O
be	O
used	O
for	O
installing	O
binary	O
,	O
or	O
pre-compiled	O
,	O
versions	O
of	O
non-core	O
applications	O
such	O
as	O
word	B-General_Concept
processors	I-General_Concept
,	O
web	B-Application
browsers	I-Application
,	O
and	O
personal	O
computer	O
games	O
,	O
rather	O
than	O
core	O
libraries	B-Library
and	O
applications	O
such	O
as	O
operating	B-Operating_System
system	I-Operating_System
shells	I-Operating_System
.	O
</s>
<s>
Listaller	B-Application
is	O
not	O
intended	O
to	O
provide	O
support	O
for	O
installing	O
system	B-Library
libraries	I-Library
for	O
security	O
reasons	O
.	O
</s>
<s>
Listaller	B-Application
is	O
using	O
an	O
own	O
package	O
format	O
,	O
so-called	O
IPK	O
packages	O
(	O
short	O
for	O
Installation	O
package	O
)	O
,	O
which	O
are	O
LZMA-compressed	O
signed	O
tarballs	B-Application
.	O
</s>
<s>
All	O
parts	O
of	O
a	O
setup	O
process	O
are	O
handled	O
by	O
Listaller	B-Application
's	O
built-in	O
routines	O
,	O
which	O
make	O
it	O
possible	O
for	O
distributors	O
to	O
modify	O
the	O
setup	O
process	O
of	O
3rd-party	O
applications	O
to	O
comply	O
to	O
their	O
own	O
policy	O
,	O
if	O
necessary	O
.	O
</s>
<s>
The	O
key	O
value	O
of	O
Listaller	B-Application
is	O
integration	O
into	O
desktop	O
environments	O
,	O
existing	O
package	B-Application
management	I-Application
tools	O
and	O
distributions	O
.	O
</s>
<s>
Therefore	O
,	O
the	O
project	O
provides	O
several	O
integration	O
components	O
by	O
default	O
,	O
which	O
make	O
it	O
possible	O
to	O
manage	O
Listaller-installed	O
3rd-party	O
applications	O
from	O
any	O
software	O
manager	O
which	O
supports	O
PackageKit	B-Language
and/or	O
AppStream	B-Application
.	O
</s>
<s>
Programs	O
that	O
use	O
Listaller	B-Application
must	O
also	O
be	O
relocatable	O
,	O
meaning	O
they	O
must	O
be	O
installable	O
to	O
varying	O
directories	O
with	O
a	O
single	O
binary	O
.	O
</s>
<s>
This	O
makes	O
it	O
possible	O
for	O
Listaller	B-Application
to	O
install	O
software	O
for	O
non-root	O
users	O
into	O
their	O
home	O
directory	O
,	O
although	O
this	O
method	O
has	O
to	O
be	O
enabled	O
explicitly	O
and	O
its	O
use	O
is	O
not	O
encouraged	O
.	O
</s>
<s>
The	O
Listaller	B-Application
Developer	O
Tools	O
provide	O
tools	O
and	O
documentation	O
for	O
application	O
developers	O
to	O
make	O
their	O
software	O
relocatable	O
.	O
</s>
<s>
As	O
consequence	O
of	O
the	O
merge	O
,	O
Autopackage	B-Application
abandoned	O
its	O
own	O
package	O
binary	O
package	O
format	O
and	O
all	O
user	O
interfaces	O
to	O
install	O
Autopackage	B-Application
packages	O
.	O
</s>
<s>
Autopackage	B-Application
tools	O
like	O
BinReloc	O
to	O
create	O
relocatable	O
applications	O
or	O
APBuild	O
are	O
now	O
developed	O
as	O
part	O
of	O
the	O
Listaller	B-Application
project	O
.	O
</s>
<s>
Reason	O
for	O
merging	O
Autopackage	B-Application
into	O
Listaller	B-Application
was	O
mainly	O
a	O
great	O
lack	O
of	O
developers	O
in	O
both	O
projects	O
so	O
they	O
decided	O
to	O
join	O
forces	O
.	O
</s>
<s>
KDE	B-Application
provides	O
support	O
for	O
Listaller	B-Application
through	O
Apper	B-Language
,	O
although	O
distributors	O
need	O
to	O
explicitly	O
enable	O
it	O
using	O
a	O
compile-time	O
switch	O
.	O
</s>
<s>
Support	O
for	O
GNOME	B-Application
is	O
currently	O
being	O
developed	O
as	O
part	O
of	O
the	O
GNOME-PackageKit	O
suite	O
.	O
</s>
<s>
In	O
theory	O
,	O
any	O
distribution	O
which	O
can	O
run	O
PackageKit	B-Language
>=	O
0.8.6	O
should	O
be	O
able	O
to	O
provide	O
Listaller	B-Application
support	O
too	O
.	O
</s>
<s>
Ubuntu	B-Operating_System
announced	O
that	O
they	O
will	O
not	O
use	O
Listaller	B-Application
as	O
3rd-party	O
installer	O
for	O
their	O
Ubuntu	B-Operating_System
Phone	O
,	O
but	O
develop	O
an	O
own	O
,	O
Ubuntu-specific	O
solution	O
instead	O
.	O
</s>
