<s>
There	O
are	O
a	O
number	O
of	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
under	O
active	O
development	O
,	O
descended	O
from	O
the	O
Berkeley	B-Operating_System
Software	I-Operating_System
Distribution	I-Operating_System
(	O
BSD	B-Operating_System
)	O
series	O
of	O
UNIX	B-Application
variants	O
developed	O
(	O
originally	O
by	O
Bill	O
Joy	O
)	O
at	O
the	O
University	O
of	O
California	O
,	O
Berkeley	O
Electrical	O
Engineering	O
and	O
Computer	O
Science	O
department	O
.	O
</s>
<s>
there	O
were	O
four	O
major	O
BSD	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
,	O
and	O
an	O
increasing	O
number	O
of	O
other	O
OSs	O
derived	O
from	O
these	O
,	O
that	O
add	O
or	O
remove	O
certain	O
features	O
but	O
generally	O
remain	O
compatible	O
with	O
their	O
originating	O
OS	O
—	O
and	O
so	O
are	O
not	O
really	O
forks	B-Application
of	O
them	O
.	O
</s>
<s>
FreeBSD	B-Operating_System
is	O
a	O
free	O
Unix-like	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
descended	O
from	O
AT&T	B-Operating_System
UNIX	I-Operating_System
via	O
the	O
Berkeley	B-Operating_System
Software	I-Operating_System
Distribution	I-Operating_System
(	O
BSD	B-Operating_System
)	O
.	O
</s>
<s>
FreeBSD	B-Operating_System
currently	O
has	O
more	O
than	O
200	O
active	O
developers	O
and	O
thousands	O
of	O
contributors	O
.	O
</s>
<s>
Other	O
notable	O
derivatives	O
include	O
DragonFly	B-Application
BSD	I-Application
,	O
which	O
was	O
forked	B-Application
from	O
FreeBSD	B-Operating_System
4.8	O
,	O
and	O
Apple	O
Inc.	O
'	O
s	O
macOS	B-Application
,	O
with	O
its	O
Darwin	B-Operating_System
base	O
including	O
a	O
large	O
amount	O
of	O
code	O
derived	O
from	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
Name	O
Description	O
AskoziaPBX	B-Protocol
Discontinued	O
BSDBox	O
Discontinued	O
BSDeviant	O
Discontinued	O
BSDLive	O
Discontinued	O
Bzerk	O
CD	O
Discontinued	O
ClonOS	O
Offers	O
a	O
complete	O
web	O
UI	O
for	O
easily	O
controlling	O
,	O
deploying	O
and	O
managing	O
FreeBSD	B-Operating_System
jails	O
,	O
containers	O
and	O
Bhyve/Xen	O
hypervisor	O
virtual	O
environments	O
.	O
</s>
<s>
DragonFly	B-Application
BSD	I-Application
Originally	O
forked	B-Application
from	O
FreeBSD	B-Operating_System
4.8	O
,	O
now	O
developed	O
in	O
a	O
different	O
direction	O
ClosedBSD	O
Discontinued	O
DesktopBSD	B-Application
Discontinued	O
.	O
</s>
<s>
Was	O
a	O
desktop-oriented	O
FreeBSD	B-Operating_System
variant	O
using	O
K	B-Language
Desktop	I-Language
Environment	I-Language
3.5	I-Language
.	O
</s>
<s>
Formerly	O
DamnSmallBSD	O
;	O
a	O
small	O
live	O
FreeBSD	B-Operating_System
environment	O
geared	O
toward	O
developers	O
and	O
system	O
administrators	O
.	O
</s>
<s>
FenestrOS	O
BSD	B-Operating_System
Discontinued	O
FreeBSDLive	O
Discontinued	O
FreeBSD	B-Operating_System
LiveCD	O
Discontinued	O
TrueNAS	B-Application
Previously	O
known	O
as	O
FreeNAS	B-Application
.	O
</s>
<s>
FreeSBIE	B-Application
Discontinued	O
Frenzy	O
Live	O
CD	O
Discontinued	O
.	O
</s>
<s>
Paid	O
homage	O
to	O
desktop	B-Application
BSD	I-Application
projects	O
of	O
the	O
past	O
like	O
PC-BSD	B-Application
and	O
TrueOS	B-Application
with	O
its	O
graphical	O
interface	O
and	O
adds	O
additional	O
tools	O
like	O
a	O
live	O
,	O
hybrid	O
USB	O
/	O
DVD	O
image	O
.	O
</s>
<s>
Debian	O
GNU/kFreeBSD	O
Discontinued	O
Ging	O
Discontinued	O
Gentoo/FreeBSD	O
Discontinued	O
.	O
</s>
<s>
Gentoo/	O
*BSD	O
was	O
a	O
subproject	O
to	O
port	O
Gentoo	O
features	O
such	O
as	O
Portage	O
to	O
the	O
FreeBSD	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
GhostBSD	B-Application
GhostBSD	B-Application
is	O
a	O
FreeBSD	B-Operating_System
OS	O
distro	O
oriented	O
for	O
desktops	O
and	O
laptops	O
.	O
</s>
<s>
Its	O
goal	O
is	O
to	O
combine	O
the	O
stability	O
and	O
security	O
of	O
FreeBSD	B-Operating_System
with	O
OpenRC	O
,	O
OS	O
packages	O
and	O
Mate	O
graphical	O
user	O
interface	O
.	O
</s>
<s>
GhostBSD	B-Application
comes	O
as	O
livecd	O
for	O
users	O
to	O
test	O
before	O
installing	O
.	O
</s>
<s>
GuLIC-BSD	O
Discontinued	O
HamFreeSBIE	O
Discontinued	O
HardenedBSD	O
HardenedBSD	O
is	O
a	O
security-enhanced	O
fork	B-Application
of	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
The	O
HardenedBSD	O
Project	O
is	O
implementing	O
many	O
exploit	O
mitigation	O
and	O
security	O
technologies	O
on	O
top	O
of	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
helloSystem	O
A	O
desktop	B-General_Concept
system	I-General_Concept
for	O
creators	O
that	O
focuses	O
on	O
simplicity	O
,	O
elegance	O
,	O
and	O
usability	O
.	O
</s>
<s>
security	O
appliances	O
Junos	B-Application
OS	I-Application
For	O
Juniper	O
routers	O
MaheshaBSD	O
Discontinued	O
.	O
</s>
<s>
A	O
LiveCD	O
or	O
USB	O
stick-based	O
modular	O
toolkit	O
,	O
including	O
an	O
anonymous	O
surfing	O
capability	O
using	O
Tor	B-Application
.	O
</s>
<s>
The	O
author	O
also	O
made	O
NetBSD	B-Device
LiveUSB	O
-	O
MaheshaNetBSD	O
,	O
and	O
DragonFlyBSD	B-Application
LiveUSB	O
-	O
MaheshaDragonFlyBSD	O
.	O
</s>
<s>
miniBSD	O
Discontinued	O
m0n0wall	B-Protocol
Discontinued	O
.	O
</s>
<s>
Successor	O
is	O
OPNsense	B-Protocol
.	O
</s>
<s>
m0n0wall	B-Protocol
was	O
an	O
embedded	O
firewall	O
distribution	O
of	O
FreeBSD	B-Operating_System
,	O
one	O
of	O
the	O
BSD	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
descendants	O
.	O
</s>
<s>
MidnightBSD	B-Application
Midnight	B-Application
BSD	I-Application
forked	B-Application
away	O
from	O
FreeBSD	B-Operating_System
6.1	O
Beta	O
NanoBSD	B-Operating_System
XigmaNAS	B-Application
Previously	O
known	O
as	O
NAS4Free	B-Application
,	O
is	O
a	O
network-attached	O
storage	O
(	O
NAS	O
)	O
server	O
software	O
.	O
</s>
<s>
It	O
is	O
a	O
continuation	O
of	O
the	O
original	O
FreeNAS	B-Application
code	O
.	O
</s>
<s>
Nokia	O
IP	O
security	O
appliances	O
OPNsense	B-Protocol
OPNsense	B-Protocol
is	O
a	O
FreeBSD-based	O
firewall	O
tailored	O
for	O
use	O
as	O
a	O
firewall	O
and	O
router	O
that	O
was	O
forked	B-Application
from	O
pfSense	B-Protocol
.	O
</s>
<s>
PacBSD	B-Operating_System
Discontinued	O
.	O
</s>
<s>
A	O
lightweight	O
operating	B-General_Concept
system	I-General_Concept
that	O
aimed	O
to	O
bring	O
the	O
flexibility	O
and	O
philosophy	O
of	O
Arch	O
Linux	O
to	O
BSD-based	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
FreeBSD	B-Operating_System
for	O
Cavium	O
Networks	O
OCTEON	O
pfSense	B-Protocol
pfSense	B-Protocol
is	O
a	O
FreeBSD-based	O
firewall	O
tailored	O
for	O
use	O
as	O
a	O
firewall	O
and	O
router	O
.	O
</s>
<s>
PicoBSD	B-Application
Discontinued	O
RelaxBSD	O
Discontinued	O
RoFreeSBIE	O
Discontinued	O
Snarl	O
DiscontinuedStarBSDStarBSD	O
is	O
a	O
Unix-like	B-Operating_System
,	O
server-oriented	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
FreeBSD	B-Operating_System
for	O
Mission-Critical	O
Enterprise	O
Environment.http://digitalixi.com	O
The	O
Dark	O
Star	O
Discontinued	O
TheWall	O
Discontinued	O
ThinBSD	O
Discontinued	O
Triance	O
OS	O
Discontinued	O
TrueBSD	O
Discontinued	O
TrueOS	B-Application
Discontinued	O
.	O
</s>
<s>
TrueOS	B-Application
(	O
formerly	O
PC/BSD	O
)	O
was	O
a	O
Unix-like	B-Operating_System
,	O
desktop-oriented	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
FreeBSD	B-Operating_System
based	O
on	O
ZFS	O
boot-environments	O
,	O
Lumina	B-Application
(	O
desktop	O
environment	O
)	O
,	O
and	O
the	O
sysadm	O
administration	O
framework	O
;	O
reinvented	O
as	O
Trident	O
OS	O
on	O
top	O
of	O
Void	O
Linux	O
,	O
retained	O
many	O
BSD	B-Operating_System
aesthetics	O
.	O
</s>
<s>
Many	O
of	O
its	O
extensions	O
were	O
integrated	O
into	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
Only	O
activity	O
on	O
trustedbsd-discuss	O
mailing	O
list	O
is	O
spam	O
(	O
as	O
of	O
2020-12-22	O
)	O
WarBSD	O
Discontinued	O
WiBSD	O
Discontinued	O
WiFiBSD	O
Discontinued	O
CellOS	B-Operating_System
The	O
PlayStation	O
3	O
operating	B-General_Concept
system	I-General_Concept
Orbis	B-Device
OS	I-Device
The	O
PlayStation	O
4	O
operating	B-General_Concept
system	I-General_Concept
XORP	B-Protocol
Discontinued	O
Zrouter	O
FreeBSD	B-Operating_System
based	O
firmware	O
for	O
embedded	O
devices	O
ULBSD	O
ULBSD	O
is	O
a	O
Unix-like	B-Operating_System
,	O
desktop-oriented	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
Name	O
Description	O
Gentoo/DragonFlyBSD	O
Gentoo/	O
*BSD	O
subproject	O
to	O
port	O
Gentoo	O
features	O
such	O
as	O
Portage	O
to	O
the	O
DragonFly	B-Application
BSD	I-Application
operating	B-General_Concept
system	I-General_Concept
FireFly	O
BSD	B-Operating_System
Was	O
a	O
DragonFly	O
based	O
distribution	O
.	O
</s>
<s>
NetBSD	B-Device
is	O
a	O
freely	O
redistributable	O
,	O
open	O
source	O
version	O
of	O
the	O
Unix-derivative	O
Berkeley	B-Operating_System
Software	I-Operating_System
Distribution	I-Operating_System
(	O
BSD	B-Operating_System
)	O
computer	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
.	O
</s>
<s>
It	O
was	O
the	O
second	O
open	O
source	O
BSD	B-Operating_System
descendant	O
to	O
be	O
formally	O
released	O
,	O
after	O
386BSD	O
,	O
and	O
continues	O
to	O
be	O
actively	O
developed	O
.	O
</s>
<s>
Noted	O
for	O
its	O
portability	O
and	O
quality	O
of	O
design	O
and	O
implementation	O
,	O
it	O
is	O
often	O
used	O
in	O
embedded	O
systems	O
and	O
as	O
a	O
starting	O
point	O
for	O
the	O
porting	O
of	O
other	O
operating	B-General_Concept
systems	I-General_Concept
to	O
new	O
computer	O
architectures	O
.	O
</s>
<s>
Name	O
Description	O
BlackBSD	O
NetBSD	B-Device
based	O
Live	O
CD	O
,	O
with	O
security	O
tools	O
on	O
it	O
and	O
Mate	O
as	O
a	O
window	O
manager	O
http://blackbsd.tk	O
EdgeBSD	O
NetBSD	B-Device
fork	B-Application
with	O
main	O
goal	O
to	O
be	O
more	O
modern	O
in	O
some	O
aspects	O
than	O
NetBSD	B-Device
itself	O
.	O
</s>
<s>
Force10	O
Networks	O
FTOS	O
the	O
operating	B-General_Concept
system	I-General_Concept
for	O
Force10	O
TeraScale	O
E-Series	O
switches/routers	O
Debian	O
GNU/NetBSD	O
Debian	O
GNU/NetBSD	O
was	O
a	O
project	O
to	O
combine	O
Debian	O
with	O
the	O
kernel	O
of	O
NetBSD	B-Device
.	O
</s>
<s>
Gentoo/NetBSD	O
Discontinued	O
.	O
</s>
<s>
Gentoo/	O
*BSD	O
was	O
a	O
subproject	O
to	O
port	O
Gentoo	O
features	O
such	O
as	O
Portage	O
to	O
the	O
NetBSD	B-Device
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Jibbed	O
Live	O
CD	O
based	O
on	O
NetBSD	B-Device
OS108	O
OS108	O
is	O
a	O
desktop-oriented	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
NetBSD	B-Device
.	O
</s>
<s>
PolyBSD	O
/	O
pocketSAN	O
Multipurpose	O
framework	O
for	O
building	O
embedded	O
systems	O
based	O
on	O
NetBSD	B-Device
.	O
</s>
<s>
OpenBSD	B-Operating_System
is	O
a	O
Unix-like	B-Operating_System
computer	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
descended	O
from	O
Berkeley	B-Operating_System
Software	I-Operating_System
Distribution	I-Operating_System
(	O
BSD	B-Operating_System
)	O
,	O
a	O
Unix	B-Application
derivative	O
developed	O
at	O
the	O
University	O
of	O
California	O
,	O
Berkeley	O
.	O
</s>
<s>
It	O
was	O
forked	B-Application
from	O
NetBSD	B-Device
in	O
1995	O
.	O
</s>
<s>
OpenBSD	B-Operating_System
includes	O
a	O
number	O
of	O
security	O
features	O
absent	O
or	O
optional	O
in	O
other	O
operating	B-General_Concept
systems	I-General_Concept
and	O
has	O
a	O
tradition	O
of	O
developers	O
auditing	O
the	O
source	O
code	O
for	O
software	O
bugs	O
and	O
security	O
problems	O
.	O
</s>
<s>
Name	O
Description	O
ÆrieBSD	O
OpenBSD	B-Operating_System
fork	B-Application
which	O
tends	O
to	O
be	O
free	O
from	O
GPL-licensed	O
software	O
.	O
</s>
<s>
adJ	B-Application
Distribution	O
of	O
OpenBSD	B-Operating_System
for	O
Spanish	O
speakers	O
,	O
since	O
2005	O
new	O
versions	O
are	O
released	O
around	O
3	O
months	O
after	O
OpenBSD	B-Operating_System
's	O
releases	O
,	O
source	O
in	O
GitHub	O
,	O
to	O
learn	O
how	O
to	O
install	O
there	O
is	O
a	O
challenge	O
with	O
badge	O
on	O
P2PU	O
Anonym.OS	B-Application
Discontinued	O
.	O
</s>
<s>
Bitrig	B-Application
Discontinued	O
.	O
</s>
<s>
Was	O
a	O
OpenBSD	B-Operating_System
fork	B-Application
with	O
main	O
goal	O
to	O
be	O
more	O
modern	O
in	O
some	O
aspects	O
than	O
OpenBSD	B-Operating_System
.	O
</s>
<s>
BowlFish	O
Customized	O
OpenBSD	B-Operating_System
installation	O
script	O
for	O
embedded	O
systems	O
,	O
intended	O
to	O
make	O
OpenBSD	B-Operating_System
fit	O
into	O
small	O
media	O
like	O
compact	O
flash	O
cards	O
.	O
</s>
<s>
BSDanywhere	O
Live	O
CD	O
featuring	O
the	O
Enlightenment	B-Application
DR17	I-Application
window	O
manager	O
ComixWall	O
A	O
firewall	O
with	O
UTM	O
features	O
ekkoBSD	O
ekkoBSD	O
was	O
a	O
Unix-like	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
based	O
on	O
OpenBSD	B-Operating_System
3.3	O
,	O
also	O
incorporating	O
code	O
from	O
other	O
BSD-like	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
EmBSD	O
FabBSD	O
OpenBSD	B-Operating_System
fork	B-Application
with	O
main	O
application	O
in	O
CNC	O
field	O
.	O
</s>
<s>
Tracking	O
errata	O
on	O
OpenBSD-stable	O
.	O
</s>
<s>
Gentoo/OpenBSD	O
Gentoo/	O
*BSD	O
was	O
a	O
subproject	O
to	O
port	O
Gentoo	O
features	O
such	O
as	O
Portage	O
to	O
the	O
OpenBSD	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
MarBSD	O
LiveCD	O
of	O
OpenBSD	B-Operating_System
LibertyBSD	O
Fork	B-Application
of	O
OpenBSD	B-Operating_System
with	O
all	O
non-free	O
binaries	O
removed	O
.	O
</s>
<s>
MicroBSD	O
Fork	B-Application
of	O
the	O
UNIX-like	B-Operating_System
BSD	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
descendant	O
OpenBSD	B-Operating_System
3.0	O
,	O
begun	O
in	O
July	O
2002	O
.	O
</s>
<s>
MirOS	B-Application
BSD	I-Application
Core	O
system	O
based	O
mostly	O
on	O
OpenBSD	B-Operating_System
and	O
some	O
NetBSD	B-Device
code	O
for	O
32-bit	O
i386	O
and	O
SPARC	O
,	O
updated	O
via	O
infrequent	O
snapshots	O
and	O
by	O
following	O
"	O
current	O
"	O
.	O
</s>
<s>
OliveBSD	O
Was	O
a	O
live	O
CD	O
originally	O
based	O
on	O
OpenBSD	B-Operating_System
3.8	O
PsygNAT	O
Firewall	O
and	O
NAT	O
router	O
tool	O
Quetzal	O
Was	O
a	O
live	O
DVD/CD	O
system	O
,	O
based	O
on	O
OpenBSD	B-Operating_System
SONaFR	O
SONaFR	O
is	O
a	O
small	O
system	O
with	O
router/NAT/firewalling	O
capabilities	O
that	O
fits	O
on	O
a	O
single	O
floppy	O
.	O
</s>
<s>
SnasciOS	O
Snasci	O
OS	O
is	O
a	O
general	O
purpose	O
operating	B-General_Concept
system	I-General_Concept
built	O
upon	O
OpenBSD	B-Operating_System
and	O
the	O
Lumina	B-Application
Desktop	I-Application
Environment	I-Application
.	O
</s>
<s>
UTMFW	O
Successor	O
of	O
ComixWall	O
,	O
a	O
firewall	O
with	O
UTM	O
features	O
LiveUSB	O
OpenBSD	B-Operating_System
LiveUSB	O
OpenBSD	B-Operating_System
is	O
a	O
project	O
started	O
around	O
2009	O
for	O
creating	O
OpenBSD	B-Operating_System
based	O
bootable	O
USB	O
flash	O
images	O
.	O
</s>
<s>
LiveCD	O
OpenBSD	B-Operating_System
LiveCD	O
OpenBSD	B-Operating_System
is	O
sister	O
project	O
of	O
LiveUSB-OpenBSD	O
and	O
this	O
gives	O
users	O
a	O
Live	O
CD/DVD	O
bootable	O
distribution	O
where	O
the	O
user	O
gets	O
to	O
experience	O
OpenBSD	B-Operating_System
without	O
installing	O
to	O
disk	O
.	O
</s>
<s>
BSD	B-Operating_System
was	O
originally	O
derived	O
from	O
Unix	B-Application
,	O
using	O
the	O
complete	O
source	O
code	O
for	O
Sixth	B-Operating_System
Edition	I-Operating_System
Unix	I-Operating_System
for	O
the	O
PDP-11	B-Device
from	O
Bell	O
Labs	O
as	O
a	O
starting	O
point	O
for	O
the	O
First	O
Berkeley	B-Operating_System
Software	I-Operating_System
Distribution	I-Operating_System
,	O
or	O
1BSD	O
.	O
</s>
<s>
A	O
series	O
of	O
updated	O
versions	O
for	O
the	O
PDP-11	B-Device
followed	O
(	O
the	O
2.xBSD	O
releases	O
)	O
.	O
</s>
<s>
A	O
32-bit	O
version	O
for	O
the	O
VAX	B-Device
platform	O
was	O
released	O
as	O
3BSD	O
,	O
and	O
the	O
4.xBSD	O
series	O
added	O
many	O
new	O
features	O
,	O
including	O
TCP/IP	B-Protocol
networking	O
.	O
</s>
<s>
Such	O
an	O
operating	B-General_Concept
system	I-General_Concept
would	O
allow	O
US	O
Department	O
of	O
Defense	O
software	O
,	O
especially	O
for	O
intricate	O
,	O
long-term	O
finance	O
and	O
logistics	O
operations	O
,	O
to	O
be	O
quickly	O
ported	O
to	O
new	O
hardware	O
as	O
it	O
became	O
available	O
.	O
</s>
<s>
As	O
time	O
went	O
on	O
,	O
code	O
was	O
later	O
ported	O
both	O
from	O
and	O
to	O
Unix	B-Operating_System
System	I-Operating_System
III	I-Operating_System
and	O
still	O
later	O
Unix	B-Operating_System
System	I-Operating_System
V	I-Operating_System
.	O
Unix	B-Operating_System
System	I-Operating_System
V	I-Operating_System
Revision	O
4	O
(	O
SVR4	O
)	O
,	O
released	O
circa	O
1992	O
,	O
contained	O
much	O
code	O
which	O
was	O
ported	O
from	O
BSD	B-Operating_System
version	O
up	O
to	O
and	O
including	O
4.3BSD	O
.	O
</s>
