<s>
Mixxx	B-Language
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
for	O
DJing	O
.	O
</s>
<s>
Mixxx	B-Language
can	O
be	O
controlled	O
with	O
MIDI	O
and	O
HID	B-General_Concept
controllers	O
and	O
timecode	O
vinyl	O
records	O
in	O
addition	O
to	O
computer	O
keyboards	O
and	O
mice	O
.	O
</s>
<s>
Mixxx	B-Language
is	O
a	O
DJ	O
Automation	O
and	O
digital	O
DJ	O
performance	O
application	O
and	O
includes	O
many	O
features	O
common	O
to	O
digital	O
DJ	O
solutions	O
as	O
well	O
as	O
some	O
unique	O
ones	O
:	O
It	O
natively	O
supports	O
advanced	O
MIDI	O
and	O
HID	B-General_Concept
DJ	O
controllers	O
,	O
is	O
licensed	O
under	O
the	O
GPL-2.0-or-later	B-License
and	O
runs	O
on	O
all	O
major	O
desktop	B-General_Concept
operating	I-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Over	O
1,000,000	O
downloads	O
of	O
the	O
program	O
occur	O
annually	O
and	O
as	O
of	O
Mixxx	B-Language
1.10.0	O
,	O
100	O
developers	O
and	O
artists	O
have	O
helped	O
create	O
Mixxx	B-Language
.	O
</s>
<s>
Mixxx	B-Language
can	O
read	O
most	O
popular	O
audio	O
formats	O
,	O
including	O
MP3	B-Application
,	O
Vorbis	B-Algorithm
,	O
Opus	B-Algorithm
,	O
AIFF	O
and	O
FLAC	B-Application
.	O
</s>
<s>
v1.8	O
introduces	O
a	O
plug-in	O
system	O
to	O
be	O
able	O
to	O
read	O
other	O
formats	O
,	O
including	O
patent-encumbered	O
ones	O
whose	O
decoders	O
cannot	O
legally	O
be	O
distributed	O
in	O
binary	O
form	O
with	O
Mixxx	B-Language
,	O
such	O
as	O
Advanced	B-Application
Audio	I-Application
Coding	I-Application
(	O
AAC	O
)	O
.	O
</s>
<s>
Mixxx	B-Language
can	O
also	O
play	O
module	O
files	O
when	O
compiled	O
with	O
the	O
modplug	O
=	O
1	O
build	O
flag	O
,	O
and	O
can	O
use	O
LV2	B-Application
plugins	O
for	O
effects	O
.	O
</s>
<s>
Any	O
sound	B-Device
card	I-Device
that	O
is	O
supported	O
by	O
the	O
operating	B-General_Concept
system	I-General_Concept
is	O
usable	O
in	O
Mixxx	B-Language
.	O
</s>
<s>
Mixxx	B-Language
supports	O
various	O
software	O
APIs	O
for	O
using	O
sound	B-Device
cards	I-Device
on	O
different	O
operating	B-General_Concept
systems	I-General_Concept
,	O
namely	O
ASIO	B-Library
,	O
WASAPI	O
,	O
and	O
DirectSound	B-Device
on	O
Windows	O
;	O
OSS	B-Library
,	O
ALSA	B-Application
,	O
and	O
JACK	B-Application
on	O
Linux	O
;	O
and	O
CoreAudio	B-Operating_System
on	O
Mac	B-Application
OS	I-Application
X	O
,	O
all	O
via	O
PortAudio	B-Language
.	O
</s>
<s>
For	O
external	O
hardware	O
control	O
,	O
Mixxx	B-Language
can	O
support	O
any	O
MIDI	O
or	O
HID	B-General_Concept
controller	O
as	O
long	O
as	O
there	O
is	O
a	O
mapping	O
to	O
tell	O
Mixxx	B-Language
how	O
to	O
interpret	O
the	O
controller	O
's	O
signals	O
.	O
</s>
<s>
Mixxx	B-Language
includes	O
mappings	O
for	O
many	O
DJ	O
controllers	O
and	O
users	O
can	O
create	O
their	O
own	O
mappings	O
as	O
well	O
.	O
</s>
<s>
It	O
is	O
the	O
only	O
DJ	O
software	O
capable	O
of	O
using	O
a	O
fully	O
featured	O
programming	O
language	O
,	O
JavaScript	B-Language
,	O
for	O
creating	O
mappings	O
with	O
advanced	O
controller	O
interaction	O
and	O
feedback	O
.	O
</s>
<s>
Turntables	O
and	O
CDJ	O
media	O
players	O
can	O
control	O
Mixxx	B-Language
with	O
the	O
timecode	O
control	O
sub-system	O
which	O
is	O
built	O
on	O
xwax	B-Application
.	O
</s>
<s>
Like	O
xwax	B-Application
,	O
Mixxx	B-Language
supports	O
timecode	O
vinyl	O
made	O
by	O
several	O
manufacturers	O
.	O
</s>
<s>
One	O
of	O
the	O
free	B-License
and	I-License
open-source	I-License
applications	O
available	O
in	O
the	O
Mac	B-Application
App	I-Application
Store	I-Application
,	O
in	O
less	O
than	O
48	O
hours	O
from	O
debut	O
in	O
February	O
2011	O
,	O
Mixxx	B-Language
became	O
the	O
#1	O
Top	O
Free	O
App	O
in	O
the	O
USA	O
,	O
Germany	O
,	O
and	O
Italy	O
.	O
</s>
<s>
Mixxx	B-Language
has	O
been	O
accepted	O
as	O
a	O
mentoring	O
organization	O
in	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
2007	O
–	O
2008	O
,	O
2010	O
–	O
2014	O
,	O
2016	O
–	O
2018	O
,	O
and	O
2020	O
.	O
</s>
