<s>
Sparkle	B-Operating_System
is	O
an	O
open-source	B-Application
software	I-Application
framework	O
for	O
macOS	B-Application
designed	O
to	O
simplify	O
updating	O
software	O
for	O
the	O
end	O
user	O
of	O
a	O
program	O
.	O
</s>
<s>
Sparkle	B-Operating_System
's	O
primary	O
means	O
of	O
distributing	O
updates	O
is	O
through	O
"	O
appcasting	O
,	O
"	O
a	O
term	O
coined	O
for	O
the	O
practice	O
of	O
using	O
an	O
RSS	O
enclosure	O
to	O
distribute	O
updates	O
and	O
release	O
notes	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
2013	O
,	O
development	O
of	O
Sparkle	B-Operating_System
was	O
ended	O
by	O
the	O
original	O
author	O
,	O
then	O
later	O
picked	O
up	O
by	O
the	O
newly	O
formed	O
Sparkle	B-Operating_System
Project	O
open	O
source	O
group	O
on	O
GitHub	B-Application
in	O
June	O
2014	O
as	O
the	O
official	O
continuation	O
of	O
the	O
project	O
.	O
</s>
<s>
There	O
are	O
several	O
open	O
source	O
Windows	O
alternatives	O
to	O
offer	O
similar	O
functionality	O
to	O
Sparkle	B-Operating_System
:	O
</s>
<s>
There	O
is	O
also	O
a	O
REALbasic	B-Application
implementation	O
of	O
Sparkle	B-Operating_System
that	O
works	O
on	O
macOS	B-Application
,	O
Windows	O
and	O
Linux	O
:	O
.	O
</s>
