<s>
All	O
web	B-Application
applications	I-Application
,	O
both	O
traditional	O
and	O
Web	O
2.0	O
,	O
are	O
operated	O
by	O
software	O
running	O
somewhere	O
.	O
</s>
<s>
This	O
is	O
a	O
list	O
of	O
free	B-Application
software	I-Application
which	O
can	O
be	O
used	O
to	O
run	O
alternative	O
web	B-Application
applications	I-Application
.	O
</s>
<s>
Also	O
listed	O
are	O
similar	O
proprietary	B-Application
web	B-Application
applications	I-Application
that	O
users	O
may	O
be	O
familiar	O
with	O
.	O
</s>
<s>
Most	O
of	O
this	O
software	O
is	O
server-side	B-Application
software	O
,	O
often	O
running	O
on	O
a	O
web	B-Application
server	I-Application
.	O
</s>
<s>
Application	O
Service	O
License	O
Requirements	O
Similar	O
proprietary	B-Application
web	O
application(s )	O
Collabora	B-General_Concept
Online	I-General_Concept
Online	B-Application
office	I-Application
suite	I-Application
MPLv2.0	B-License
Google	B-Application
Docs	I-Application
,	O
Microsoft	B-Operating_System
365	I-Operating_System
Gallery	B-Application
Photo	B-Algorithm
sharing	I-Algorithm
GNU	O
GPLv3	O
MySQL	B-Application
flickr	B-Algorithm
,	O
Picasa	B-Application
Piwigo	B-Algorithm
Photo	B-Algorithm
sharing	I-Algorithm
GNU	B-License
GPL	I-License
MySQL	B-Application
+	O
PHP	B-Application
flickr	B-Algorithm
,	O
Picasa	B-Application
OpenBroadcaster	B-Application
Video	B-Application
streaming	I-Application
GNU	O
AGPLv3+	O
MySQL	B-Application
YouTube	B-General_Concept
Plumi	B-Protocol
Video	B-Application
streaming	I-Application
ZPL	B-Language
YouTube	B-General_Concept
PeerTube	B-Application
Video	B-Application
streaming	I-Application
GNU	O
AGPLv3+	O
YouTube	B-General_Concept
Libre.fm	B-Protocol
Music	O
streaming	O
GNU	O
AGPLv3+	O
PostgreSQL	B-Application
or	O
MySQL	B-Application
last.fm	B-Application
CiteSeerX	B-Application
Bibliographic	B-Library
database	I-Library
Apache	B-Application
MySQL	B-Application
or	O
PostgreSQL	B-Application
SpringerLink	O
OpenStreetMap	O
Mapping	O
ODbL	B-General_Concept
MySQL	B-Application
or	O
PostgreSQL	B-Application
Google	B-Application
Maps	I-Application
ownCloud	B-Language
File	O
sharing/sync	O
,	O
web	B-Application
calendar	I-Application
,	O
online	B-Application
office	I-Application
suite	I-Application
etc	O
.	O
</s>
<s>
GNU	B-Application
AGPLv3	I-Application
Dropbox	B-Application
,	O
drop.io	B-Application
Nextcloud	B-General_Concept
File	O
sharing/sync	O
,	O
web	B-Application
calendar	I-Application
,	O
online	B-Application
office	I-Application
suite	I-Application
etc	O
.	O
</s>
<s>
GNU	O
AGPLv3+	O
Dropbox	B-Application
,	O
Google	B-Application
Drive	I-Application
,	O
Microsoft	B-Operating_System
365	I-Operating_System
,	O
box	O
Seafile	B-Language
File	O
sharing/sync	O
,	O
web	B-Application
calendar	I-Application
,	O
online	B-Application
office	I-Application
suite	I-Application
etc	O
.	O
</s>
