<s>
Atom	B-Application
is	O
a	O
deprecated	B-General_Concept
free	B-License
and	I-License
open-source	I-License
text	B-Application
and	O
source	B-Application
code	I-Application
editor	I-Application
for	O
macOS	B-Application
,	O
Linux	B-Application
,	O
and	O
Windows	B-Application
with	O
support	O
for	O
plug-ins	B-Application
written	O
in	O
JavaScript	B-Language
,	O
and	O
embedded	O
Git	B-Application
Control	I-Application
.	O
</s>
<s>
Developed	O
by	O
GitHub	B-Application
,	O
Atom	B-Application
was	O
released	O
on	O
June	O
25	O
,	O
2015	O
.	O
</s>
<s>
Most	O
of	O
the	O
extending	O
packages	O
have	O
free	B-Application
software	I-Application
licenses	O
and	O
are	O
community-built	O
and	O
maintained	O
.	O
</s>
<s>
On	O
June	O
8	O
,	O
2022	O
,	O
GitHub	B-Application
announced	O
that	O
Atom	B-Application
’s	O
end-of-life	O
would	O
occur	O
on	O
December	O
15	O
of	O
that	O
year	O
,	O
"	O
in	O
order	O
to	O
prioritize	O
technologies	O
that	O
enable	O
the	O
future	O
of	O
software	O
development	O
"	O
,	O
specifically	O
its	O
GitHub	B-Application
Codespaces	O
and	O
Microsoft	O
's	O
Visual	B-Language
Studio	I-Language
Code	I-Language
.	O
</s>
<s>
Atom	B-Application
is	O
a	O
"	O
hackable	O
"	O
text	B-Application
editor	I-Application
,	O
which	O
means	O
it	O
is	O
customizable	O
using	O
HTML	B-Language
,	O
CSS	B-Language
,	O
and	O
JavaScript	B-Language
.	O
</s>
<s>
Atom	B-Application
was	O
a	O
desktop	B-Application
application	I-Application
built	O
using	O
web	O
technologies	O
.	O
</s>
<s>
It	O
was	O
based	O
on	O
the	B-Operating_System
Electron	I-Operating_System
framework	I-Operating_System
,	O
which	O
was	O
developed	O
for	O
that	O
purpose	O
,	O
and	O
hence	O
was	O
formerly	O
called	O
Atom	B-Application
Shell	O
.	O
</s>
<s>
Electron	O
is	O
a	O
framework	B-Architecture
that	O
enables	O
cross-platform	B-Operating_System
desktop	B-Application
applications	I-Application
using	O
Chromium	B-Language
and	O
Node.js	B-Language
.	O
</s>
<s>
Atom	B-Application
was	O
initially	O
written	O
in	O
CoffeeScript	B-Application
and	O
Less	B-Language
,	O
but	O
much	O
of	O
it	O
has	O
been	O
converted	O
to	O
JavaScript	B-Language
.	O
</s>
<s>
Atom	B-Application
can	O
apply	O
syntax	O
highlighting	O
for	O
multiple	O
programming	O
languages	O
and	O
file	O
formats	O
.	O
</s>
<s>
Like	O
most	O
other	O
configurable	O
text	B-Application
editors	I-Application
,	O
Atom	B-Application
enabled	O
users	O
to	O
install	O
third-party	O
packages	O
and	O
themes	O
to	O
customize	O
the	O
features	O
and	O
looks	O
of	O
the	O
editor	O
.	O
</s>
<s>
Packages	O
can	O
be	O
installed	O
,	O
managed	O
and	O
published	O
via	O
Atom	B-Application
's	O
package	O
manager	O
apm	O
.	O
</s>
<s>
Atom	B-Application
was	O
developed	O
by	O
GitHub	B-Application
as	O
a	O
text	B-Application
editor	I-Application
,	O
and	O
served	O
as	O
the	O
basis	O
Atom	B-Application
Shell	O
which	O
became	O
the	O
basis	O
for	O
Electron	B-Operating_System
Framework	I-Operating_System
.	O
</s>
<s>
Facebook	B-Application
then	O
developed	O
the	O
Nuclide	O
and	O
Atom	B-Application
IDE	O
projects	O
to	O
turn	O
Atom	B-Application
into	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
,	O
but	O
development	O
on	O
Nuclide	O
and	O
Atom	B-Application
IDE	O
stopped	O
in	O
December	O
2018	O
.	O
</s>
<s>
On	O
June	O
8	O
,	O
2022	O
,	O
GitHub	B-Application
announced	O
shutdown	O
of	O
Atom	B-Application
development	O
and	O
archival	O
of	O
all	O
development	O
repositories	O
of	O
Atom	B-Application
by	O
December	O
15	O
,	O
2022	O
.	O
</s>
<s>
Atom	B-Application
's	O
founder	O
,	O
Nathan	O
Sobo	O
,	O
has	O
announced	O
that	O
he	O
is	O
building	O
the	O
"	O
spiritual	O
successor	O
"	O
to	O
Atom	B-Application
,	O
titled	O
Zed	O
.	O
</s>
<s>
Unlike	O
Atom	B-Application
,	O
Zed	O
will	O
be	O
written	O
in	O
Rust	B-Application
and	O
will	O
not	O
be	O
using	O
the	B-Operating_System
Electron	I-Operating_System
framework	I-Operating_System
.	O
</s>
<s>
On	O
January	O
30	O
,	O
2023	O
,	O
GitHub	B-Application
announced	O
a	O
breach	O
which	O
exposed	O
"	O
a	O
set	O
of	O
encrypted	O
code	O
signing	O
certificates	O
"	O
some	O
of	O
which	O
were	O
used	O
to	O
sign	O
Atom	B-Application
releases	O
.	O
</s>
<s>
GitHub	B-Application
advised	O
users	O
to	O
downgrade	O
to	O
earlier	O
version	O
of	O
Atom	B-Application
signed	O
with	O
a	O
different	O
key	O
.	O
</s>
<s>
Initially	O
,	O
extension	O
packages	O
for	O
Atom	B-Application
and	O
anything	O
not	O
part	O
of	O
Atom	B-Application
's	O
core	O
were	O
released	O
under	O
an	O
open-source	O
license	O
.	O
</s>
<s>
On	O
May	O
6	O
,	O
2014	O
,	O
the	O
rest	O
of	O
Atom	B-Application
,	O
including	O
the	O
core	O
application	O
,	O
its	O
package	O
manager	O
,	O
as	O
well	O
as	O
its	O
desktop	O
framework	B-Architecture
Electron	O
,	O
were	O
released	O
as	O
free	B-License
and	I-License
open-source	I-License
software	I-License
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
Metrics	O
package	O
:	O
Reports	O
usage	O
information	O
to	O
Google	B-Application
Analytics	I-Application
(	O
As	O
of	O
version	O
1.31.0	O
,	O
this	O
has	O
been	O
removed	O
,	O
now	O
usage	O
information	O
is	O
sent	O
to	O
GitHub	B-Application
's	O
analytics	O
pipeline	O
directly	O
.	O
</s>
<s>
Exception-reporting	O
package	O
:	O
Reports	O
uncaught	O
Atom	B-Application
exceptions	O
to	O
www.bugsnag.com	O
.	O
</s>
