<s>
Obsidian	B-Protocol
is	O
a	O
personal	O
knowledge	O
base	O
and	O
note-taking	O
software	O
application	O
that	O
operates	O
on	O
Markdown	O
files	O
.	O
</s>
<s>
Obsidian	B-Protocol
was	O
founded	O
by	O
Shida	O
Li	O
and	O
Erica	O
Xu	O
while	O
quarantining	O
during	O
the	O
COVID-19	O
pandemic	O
.	O
</s>
<s>
Obsidian	B-Protocol
was	O
initially	O
released	O
on	O
30	O
March	O
2020	O
.	O
</s>
<s>
Version	O
1.1	O
,	O
which	O
adds	O
the	O
Canvas	O
core	O
plugin	B-Application
,	O
was	O
released	O
in	O
December	O
2022	O
.	O
</s>
<s>
Obsidian	B-Protocol
is	O
built	O
on	O
Electron	B-Operating_System
.	O
</s>
<s>
It	O
is	O
a	O
cross-platform	O
application	O
that	O
runs	O
on	O
Windows	B-Application
,	O
Linux	B-Application
,	O
and	O
macOS	B-Application
,	O
as	O
well	O
as	O
mobile	O
operating	O
systems	O
such	O
as	O
Android	B-Application
and	O
iOS	B-Application
.	O
</s>
<s>
Obsidian	B-Protocol
can	O
be	O
customized	O
by	O
adding	O
plugins	B-Application
,	O
which	O
are	O
also	O
accessible	O
from	O
the	O
mobile	O
app	O
.	O
</s>
<s>
Obsidian	B-Protocol
differentiates	O
between	O
core	O
plugins	B-Application
,	O
which	O
are	O
released	O
and	O
maintained	O
by	O
the	O
Obsidian	B-Protocol
team	O
,	O
and	O
community	O
plugins	B-Application
,	O
which	O
are	O
contributed	O
by	O
users	O
.	O
</s>
<s>
Examples	O
of	O
community	O
plugins	B-Application
include	O
a	O
Kanban-style	O
task	O
board	O
and	O
a	O
calendar	O
widget	O
.	O
</s>
<s>
Obsidian	B-Protocol
operates	O
on	O
a	O
folder	O
of	O
text	O
documents	O
;	O
each	O
new	O
note	O
in	O
Obsidian	B-Protocol
generates	O
a	O
new	O
text	O
document	O
.	O
</s>
<s>
Obsidian	B-Protocol
allows	O
for	O
internal	O
linking	O
between	O
notes	O
,	O
and	O
creates	O
an	O
interactive	O
graph	O
which	O
visualizes	O
the	O
relationships	O
between	O
notes	O
.	O
</s>
<s>
Text-formatting	O
in	O
Obsidian	B-Protocol
is	O
achieved	O
through	O
Markdown	O
,	O
but	O
Obsidian	B-Protocol
allows	O
for	O
the	O
instantaneous	O
previewing	O
of	O
formatted	O
text	O
.	O
</s>
<s>
Obsidian	B-Protocol
's	O
customer	O
support	O
is	O
accessible	O
only	O
through	O
email	O
.	O
</s>
<s>
The	O
developers	O
,	O
however	O
,	O
have	O
hosted	O
an	O
Internet	B-Application
forum	I-Application
and	O
a	O
Discord	B-Application
channel	O
where	O
users	O
can	O
exchange	O
solutions	O
and	O
ideas	O
.	O
</s>
<s>
Some	O
of	O
the	O
key	O
features	O
of	O
Obsidian	B-Protocol
include	O
:	O
</s>
