<s>
Libraries.io	B-Application
is	O
an	O
open	B-License
source	I-License
web	O
service	O
that	O
lists	O
software	O
development	O
project	O
dependencies	O
and	O
alerts	O
developers	O
to	O
new	O
versions	O
of	O
the	O
software	O
libraries	O
they	O
are	O
using	O
.	O
</s>
<s>
Libraries.io	B-Application
is	O
written	O
by	O
Andrew	O
Nesbitt	O
,	O
who	O
has	O
also	O
used	O
the	O
code	O
as	O
the	O
basis	O
for	O
DependencyCI	O
,	O
a	O
service	O
that	O
tests	O
project	O
dependencies	O
.	O
</s>
<s>
As	O
of	O
17	O
April	O
2022	O
,	O
the	O
web	O
service	O
monitors	O
6,921,905	O
open	B-License
source	I-License
libraries	O
and	O
supports	O
32	O
different	O
package	B-Application
managers	I-Application
.	O
</s>
<s>
To	O
gather	O
the	O
information	O
on	O
libraries	O
,	O
it	O
uses	O
the	O
dominant	O
package	B-Application
manager	I-Application
for	O
each	O
programming	O
language	O
that	O
is	O
supported	O
.	O
</s>
<s>
The	O
website	O
organizes	O
them	O
by	O
programming	O
language	O
,	O
package	B-Application
manager	I-Application
,	O
license	O
(	O
such	O
as	O
GPL	B-License
or	O
MIT	O
)	O
,	O
and	O
by	O
keyword	O
.	O
</s>
<s>
On	O
November	O
14	O
,	O
2017	O
,	O
Libraries.io	B-Application
announced	O
its	O
acquisition	O
by	O
Tidelift	O
,	O
an	O
open-source	B-License
software	O
support	O
company	O
,	O
with	O
an	O
intention	O
to	O
continue	O
to	O
develop	O
and	O
operate	O
the	O
service	O
.	O
</s>
<s>
The	O
code	O
that	O
runs	O
the	O
web	O
service	O
is	O
available	O
on	O
GitHub	B-Application
and	O
under	O
the	O
GNU	B-Application
Affero	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
