<s>
DocFetcher	B-Application
is	O
a	O
free	B-License
and	I-License
open	I-License
source	I-License
desktop	B-Application
search	I-Application
application	O
.	O
</s>
<s>
It	O
runs	O
on	O
Windows	B-Application
,	O
Mac	B-Application
OS	I-Application
X	I-Application
and	O
Linux	B-Application
and	O
is	O
written	O
in	O
Java	B-Language
.	O
</s>
<s>
The	O
application	O
has	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
,	O
which	O
is	O
written	O
using	O
the	O
Standard	B-Application
Widget	I-Application
Toolkits	I-Application
.	O
</s>
<s>
Search	O
tools	O
are	O
based	O
on	O
Apache	B-Language
Lucene	I-Language
software	O
,	O
a	O
widely-used	O
,	O
open	O
source	O
search	O
engine	O
.	O
</s>
<s>
Office	O
files	O
(	O
Microsoft	B-Operating_System
Office	I-Operating_System
,	O
OpenDocument	B-Application
,	O
Outlook	B-Application
(	O
PST	B-Operating_System
)	O
,	O
...	O
)	O
</s>
<s>
Archive	O
formats	O
(	O
ZIP	B-General_Concept
,	O
7z	O
,	O
RAR	O
,	O
Tar	B-Application
)	O
.	O
</s>
<s>
HTML	B-Language
with	O
pair	O
detection	O
.	O
</s>
<s>
Which	O
means	O
that	O
DocFetcher	B-Application
detects	O
when	O
an	O
HTML	B-Language
file	I-Language
and	O
a	O
folder	O
containing	O
the	O
resource	O
files	O
(	O
Images	O
,	O
Scripts	O
,	O
...	O
)	O
of	O
the	O
page	O
belong	O
together	O
.	O
</s>
<s>
Note	O
that	O
a	O
commercial	O
version	O
of	O
the	O
program	O
DocFetcher	B-Application
Pro	O
is	O
in	O
development	O
with	O
additional	O
features	O
.	O
</s>
