<s>
AppStream	B-Application
is	O
an	O
agreement	O
between	O
major	O
Linux	B-Application
vendors	O
(	O
i.e.	O
</s>
<s>
to	O
create	O
an	O
infrastructure	O
for	O
application	O
installers	O
on	O
Linux	B-Application
and	O
sharing	O
of	O
metadata	O
.	O
</s>
<s>
The	O
project	O
describes	O
itself	O
as	O
:	O
"	O
an	O
initiative	O
of	O
cross-distro	O
collaboration	O
,	O
which	O
aims	O
at	O
creating	O
an	O
unified	O
software	O
metadata	O
database	O
,	O
and	O
also	O
a	O
centralized	O
OCS	O
(	O
Open	B-Language
Collaboration	I-Language
Services	I-Language
)	O
user-contributed	O
content	O
database	O
,	O
thus	O
providing	O
the	O
best	O
user	O
experience.	O
"	O
</s>
<s>
With	O
the	O
0.6	O
release	O
,	O
the	O
scope	O
of	O
the	O
project	O
was	O
expanded	O
to	O
include	O
more	O
metadata	O
for	O
other	O
software	O
components	O
,	O
such	O
as	O
fonts	O
,	O
codecs	O
,	O
input-methods	O
and	O
generic	O
libraries	B-Library
,	O
which	O
will	O
allow	O
applications	O
to	O
query	O
information	O
about	O
software	O
which	O
is	O
available	O
in	O
a	O
distribution-independent	O
way	O
.	O
</s>
<s>
This	O
enhances	O
the	O
quality	O
of	O
data	O
displayed	O
in	O
software-centers	B-Language
,	O
but	O
also	O
makes	O
it	O
possible	O
for	O
3rd-party	O
application	O
installers	O
like	O
Listaller	B-Application
to	O
find	O
the	O
components	O
a	O
new	O
application	O
needs	O
to	O
run	O
in	O
the	O
distribution	O
's	O
package	B-Application
database	I-Application
.	O
</s>
<s>
AppStream	B-Application
is	O
also	O
used	O
for	O
newer	O
packaging	O
methods	O
such	O
as	O
Snap	B-Application
,	O
Flatpak	B-Language
,	O
and	O
AppImage	B-Application
.	O
</s>
