<s>
AlternativeTo	B-Application
is	O
a	O
website	O
which	O
lists	O
alternatives	O
to	O
web-based	B-Application
software	I-Application
,	O
desktop	B-Application
computer	I-Application
software	I-Application
,	O
and	O
mobile	B-Application
apps	I-Application
,	O
and	O
sorts	O
the	O
alternatives	O
by	O
various	O
criteria	O
,	O
including	O
the	O
number	O
of	O
registered	O
users	O
who	O
have	O
clicked	O
the	O
"	O
Like	O
"	O
button	O
for	O
each	O
of	O
them	O
on	O
AlternativeTo	B-Application
.	O
</s>
<s>
Users	O
can	O
search	O
the	O
site	O
to	O
find	O
better	O
alternatives	O
to	O
an	O
application	O
they	O
are	O
using	O
or	O
previously	O
have	O
used	O
,	O
including	O
free	O
alternatives	O
such	O
as	O
a	O
free	O
web	B-Application
application	I-Application
(	O
cloud	B-Architecture
computing	I-Architecture
)	O
which	O
does	O
not	O
require	O
any	O
installation	O
and	O
can	O
be	O
accessed	O
from	O
any	O
browser	O
.	O
</s>
<s>
However	O
,	O
users	O
can	O
also	O
search	O
by	O
tag	B-General_Concept
to	O
find	O
software	O
,	O
which	O
offers	O
an	O
alternative	O
way	O
of	O
finding	O
related	O
software	O
.	O
</s>
<s>
Users	O
can	O
also	O
narrow	O
their	O
search	O
by	O
focusing	O
on	O
particular	O
platforms	B-Device
and	O
license	O
types	O
(	O
such	O
as	O
"	O
free	O
for	O
non-commercial	O
use	O
"	O
)	O
.	O
</s>
<s>
AlternativeTo	B-Application
lists	O
basic	O
information	O
such	O
as	O
platform	B-Device
and	O
license	B-License
type	I-License
at	O
the	O
top	O
of	O
each	O
entry	O
,	O
but	O
does	O
not	O
have	O
comparison	O
tables	O
listing	O
software	O
features	O
side	O
by	O
side	O
.	O
</s>
<s>
AlternativeTo	B-Application
allows	O
anyone	O
to	O
register	O
and	O
suggest	O
new	O
alternatives	O
,	O
or	O
to	O
update	O
the	O
information	O
held	O
about	O
existing	O
entries	O
.	O
</s>
<s>
Registration	O
can	O
be	O
done	O
via	O
Facebook	B-Application
Connect	O
or	O
OpenID	O
,	O
both	O
of	O
which	O
make	O
it	O
unnecessary	O
to	O
create	O
a	O
new	O
password	O
for	O
the	O
site	O
.	O
</s>
<s>
As	O
AlternativeTo	B-Application
is	O
itself	O
a	O
web	B-Application
application	I-Application
,	O
it	O
even	O
has	O
a	O
page	O
for	O
alternatives	O
to	O
itself	O
.	O
</s>
<s>
Tweets	O
from	O
anyone	O
mentioning	O
particular	O
pieces	O
of	O
software	O
are	O
also	O
pulled	O
in	O
dynamically	O
from	O
Twitter	B-Application
.	O
</s>
<s>
After	O
a	O
user	O
has	O
clicked	O
the	O
Like	O
button	O
next	O
to	O
an	O
application	O
,	O
they	O
are	O
offered	O
the	O
opportunity	O
to	O
tell	O
their	O
friends	O
on	O
Facebook	B-Application
or	O
their	O
followers	O
on	O
Twitter	B-Application
that	O
they	O
liked	O
it	O
,	O
and	O
the	O
tweet	O
or	O
post	O
can	O
be	O
customised	O
.	O
</s>
<s>
For	O
software	O
developers	O
,	O
a	O
JSON	B-General_Concept
API	B-General_Concept
used	O
to	O
be	O
available	O
,	O
but	O
has	O
been	O
taken	O
down	O
indefinitely	O
.	O
</s>
