<s>
KeePassXC	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
password	O
manager	O
.	O
</s>
<s>
It	O
started	O
as	O
a	O
community	O
fork	O
of	O
KeePassX	B-Application
(	O
itself	O
a	O
cross-platform	O
port	O
of	O
KeePass	B-Language
)	O
.	O
</s>
<s>
It	O
is	O
built	O
using	O
Qt5	B-Language
libraries	I-Language
,	O
making	O
it	O
a	O
multi-platform	O
application	O
which	O
can	O
be	O
run	O
on	O
Linux	B-Application
,	O
Windows	B-Application
,	O
macOS	B-Application
and	O
BSD	B-Operating_System
.	O
</s>
<s>
KeePassXC	B-Language
uses	O
the	O
KeePass	B-Language
2.x	O
(	O
.kdbx	O
)	O
password	O
database	O
format	O
as	O
the	O
native	O
format	O
.	O
</s>
<s>
It	O
can	O
also	O
import	O
(	O
and	O
convert	O
)	O
version	O
2	O
and	O
the	O
older	O
KeePass	B-Language
1	O
(	O
.kdb	O
)	O
databases	O
.	O
</s>
<s>
KeePassXC	B-Language
supports	O
having	O
key	O
files	O
and	O
YubiKey	O
challenge-response	O
for	O
additional	O
security	O
.	O
</s>
<s>
The	O
Electronic	O
Frontier	O
Foundation	O
mention	O
KeePassXC	B-Language
as	O
"	O
an	O
example	O
of	O
a	O
password	O
manager	O
that	O
is	O
open-source	O
and	O
free.	O
"	O
</s>
<s>
An	O
accompanying	O
browser	O
extension	O
is	O
also	O
available	O
for	O
Firefox	B-Application
,	O
Google	B-Application
Chrome	I-Application
and	O
Microsoft	B-Application
Edge	I-Application
.	O
</s>
