<s>
PortableApps.com	B-Application
is	O
a	O
website	O
offering	O
free	O
applications	O
for	O
Windows	B-Application
that	O
have	O
been	O
specially	O
packaged	O
for	O
portability	O
.	O
</s>
<s>
These	O
portable	B-Application
applications	I-Application
are	O
intended	O
to	O
be	O
used	O
from	O
removable	O
media	O
such	O
as	O
USB	O
flash	O
drives	O
.	O
</s>
<s>
The	O
site	O
was	O
founded	O
by	O
John	B-Application
T	I-Application
.	I-Application
Haller	I-Application
and	O
includes	O
contributions	O
from	O
over	O
100	O
people	O
,	O
including	O
developers	O
,	O
designers	O
and	O
translators	O
.	O
</s>
<s>
The	O
project	O
started	O
out	O
as	O
a	O
portable	O
version	O
of	O
Mozilla	B-Operating_System
Firefox	I-Operating_System
in	O
March	O
2004	O
.	O
</s>
<s>
John	B-Application
T	I-Application
.	I-Application
Haller	I-Application
then	O
expanded	O
the	O
project	O
to	O
include	O
Mozilla	B-Application
Thunderbird	I-Application
and	O
OpenOffice.org	B-Application
.	O
</s>
<s>
The	O
open-source	B-Application
group	O
of	O
portable	O
programs	O
outgrew	O
Haller	O
's	O
personal	O
website	O
and	O
he	O
moved	O
it	O
to	O
a	O
community	O
site	O
,	O
PortableApps.com	B-Application
.	O
</s>
<s>
The	O
site	O
is	O
also	O
used	O
for	O
bug	B-Error_Name
reporting	O
and	O
suggestions	O
.	O
</s>
<s>
Some	O
PortableApps	B-Application
distributions	O
are	O
hosted	O
on	O
SourceForge	B-Application
.	O
</s>
<s>
Application	O
installers	O
designed	O
for	O
use	O
with	O
the	O
PortableApps.com	B-Application
menu	O
follow	O
the	O
convention	O
of	O
using	O
filenames	O
ending	O
in	O
a	O
extension	O
,	O
include	O
HTML	B-Language
documentation	O
and	O
store	O
data	O
in	O
the	O
Data	O
directory	O
.	O
</s>
<s>
Installers	O
intended	O
for	O
use	O
with	O
the	O
PortableApps.com	B-Application
menu	O
can	O
be	O
either	O
NSIS	B-Language
installers	O
,	O
generated	O
with	O
the	O
PortableApps.com	B-Application
Installer	O
,	O
or	O
compressed	O
archives	O
with	O
self	O
extractors	O
.	O
</s>
<s>
They	O
can	O
also	O
be	O
a	O
custom	O
Windows	B-Application
executable	O
.	O
</s>
<s>
Many	O
apps	O
will	O
also	O
run	O
under	O
Wine	B-Application
on	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
Older	O
versions	O
of	O
many	O
apps	O
support	O
Windows	B-Application
95/98/Me	O
,	O
but	O
no	O
new	O
releases	O
support	O
these	O
systems	O
.	O
</s>
<s>
The	O
PortableApps.com	B-Application
Launcher	O
(	O
also	O
known	O
as	O
PAL	O
)	O
is	O
used	O
to	O
make	O
applications	O
portable	O
by	O
handling	O
path	O
redirection	O
,	O
environment	O
variable	O
changes	O
,	O
file	O
and	O
directory	O
movement	O
,	O
configuration	O
file	O
path	O
updates	O
and	O
similar	O
changes	O
,	O
as	O
configured	O
.	O
</s>
<s>
The	O
PortableApps.com	B-Application
Launcher	O
allows	O
software	O
to	O
be	O
made	O
portable	O
without	O
the	O
need	O
to	O
write	O
custom	O
code	O
or	O
make	O
changes	O
to	O
the	O
base	O
application	O
.	O
</s>
<s>
While	O
some	O
of	O
the	O
software	O
packages	O
released	O
on	O
PortableApps.com	B-Application
currently	O
still	O
contain	O
their	O
own	O
custom	O
launchers	O
,	O
the	O
PortableApps.com	B-Application
Launcher	O
is	O
used	O
in	O
all	O
new	O
apps	O
released	O
.	O
</s>
<s>
The	O
installers	O
are	O
made	O
with	O
Nullsoft	B-Language
Scriptable	I-Language
Install	I-Language
System	I-Language
.	O
</s>
