<s>
RocketCake	B-General_Concept
is	O
a	O
proprietary	O
WYSIWYG	B-Application
editor	I-Application
for	O
building	O
websites	O
using	O
responsive	B-General_Concept
web	I-General_Concept
design	I-General_Concept
.	O
</s>
<s>
The	O
editor	O
generates	O
W3C	O
standards-compliant	O
HTML	B-Language
,	O
PHP	B-Application
,	O
CSS	B-Language
,	O
and	O
JavaScript	B-Language
.	O
</s>
<s>
It	O
was	O
built	O
using	O
C++	O
and	O
the	O
WxWidgets	B-Language
tools	O
library	O
,	O
making	O
it	O
cross	O
platform	O
and	O
working	O
on	O
macOS	B-Application
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Developer	O
Ambiera	O
provides	O
a	O
professional	O
edition	O
of	O
the	O
otherwise	O
free	O
editor	O
which	O
adds	O
support	O
for	O
custom	O
CSS/	O
HTML/	O
PHP/	O
JavaScript	B-Language
,	O
user-defined	O
breakpoints	O
and	O
premium	O
support	O
.	O
</s>
