<s>
A	O
molecule	B-Application
editor	I-Application
is	O
a	O
computer	B-Application
program	I-Application
for	O
creating	O
and	O
modifying	O
representations	O
of	O
chemical	O
structures	O
.	O
</s>
<s>
Molecule	B-Application
editors	I-Application
can	O
manipulate	O
chemical	O
structure	O
representations	O
in	O
either	O
a	O
simulated	O
two-dimensional	O
space	O
or	O
three-dimensional	O
space	O
,	O
via	O
2D	O
computer	O
graphics	O
or	O
3D	O
computer	O
graphics	O
,	O
respectively	O
.	O
</s>
<s>
Database	O
molecular	B-Application
editors	I-Application
such	O
as	O
Leatherface	O
,	O
RECAP	O
,	O
and	O
Molecule	O
Slicer	O
allow	O
large	O
numbers	O
of	O
molecules	O
to	O
be	O
modified	O
automatically	O
according	O
to	O
rules	O
such	O
as	O
'	O
deprotonate	O
carboxylic	O
acids	O
 '	O
or	O
'	O
break	O
exocyclic	O
bonds	O
 '	O
that	O
can	O
be	O
specified	O
by	O
a	O
user	O
.	O
</s>
<s>
Molecule	B-Application
editors	I-Application
typically	O
support	O
reading	O
and	O
writing	O
at	O
least	O
one	O
file	O
format	O
or	O
line	O
notation	O
.	O
</s>
<s>
Files	O
generated	O
by	O
molecule	B-Application
editors	I-Application
can	O
be	O
displayed	O
by	O
molecular	O
graphics	O
tools	O
.	O
</s>
<s>
Program	O
Developer(s )	O
License	O
Platforms	O
Info	O
ACD/ChemSketch	B-Application
ACD/Labs	O
Windows	O
A	O
chemically	O
intelligent	O
drawing	O
interface	O
that	O
allows	O
drawing	O
almost	O
any	O
chemical	O
structure	O
including	O
organics	O
,	O
organometallics	O
,	O
polymers	O
,	O
and	O
Markush	O
structures	O
.	O
</s>
<s>
freeware	B-License
version	O
available	O
Amira	B-Algorithm
(	O
software	O
)	O
Visage	O
ImagingZuse	O
Institute	O
Berlin	O
Windows	O
,	O
macOS	B-Application
,	O
Linux	B-Application
14-day	O
trial	O
version	O
available	O
Ascalaph	B-Application
Designer	I-Application
Agile	O
Molecule	O
Linux	B-Application
,	O
Windows	O
freeware	B-License
Avogadro	B-Language
Avogadro	B-Language
project	O
team	O
Linux	B-Application
,	O
macOS	B-Application
,	O
Windows	O
3D	O
molecule	B-Application
editor	I-Application
,	O
visualizer	O
BALLView	B-Language
BALL	O
project	O
team	O
-LGPL	O
Linux	B-Application
,	O
macOS	B-Application
,	O
Windows	O
viewer	O
,	O
editor	O
,	O
simulation	O
tool	O
Bioclipse	B-Language
Bioclipse	B-Language
Developers	O
cross-platform	B-Operating_System
Java	B-Language
,	O
Eclipse	O
Rich	B-Architecture
Client	I-Architecture
Platform	I-Architecture
(	O
RCP	O
)	O
basedChemDoodleiChemLabs	O
cross-platformJava	O
ChemDraw	B-Application
PerkinElmer	O
macOS	B-Application
,	O
Windows	O
Edit	O
chemical	O
structures	O
and	O
reactions	O
Deneb	B-Application
AtelGraphics	O
Linux	B-Application
,	O
Windows	O
Trial	O
version	O
available	O
;	O
easy	O
to	O
use	O
graphical	O
user	O
interface	O
desktop	O
for	O
packages	O
SIESTA	O
,	O
VASP	O
,	O
QE	O
,	O
etc	O
.	O
</s>
<s>
ChemWindow	B-Application
Wiley	O
Windows	O
available	O
as	O
part	O
of	O
the	O
KnowItAll	O
software	O
environment	O
;	O
Freeware	B-License
for	O
academic	O
research	O
and	O
teaching	O
Gabedit	B-Language
Abdulrahman	O
Allouche	O
Linux	B-Application
,	O
macOS	B-Application
,	O
Windows	O
3D	O
molecule	B-Application
editor	I-Application
,	O
visualizer	O
JChemPaint	B-Application
cross-platform	B-Operating_System
2D	O
structural	O
formula	O
editor	O
written	O
in	O
Java	B-Language
Molecular	B-Application
Operating	I-Application
Environment	I-Application
(	O
MOE	O
)	O
Chemical	O
Computing	O
Group	O
Windows	O
,	O
Linux	B-Application
,	O
Mac	O
;	O
SVL	O
programming	O
language	O
Platform	O
for	O
molecular	O
modelling	O
/	O
drug	O
discovery	O
applications	O
,	O
with	O
3D	O
molecular	O
sketching	O
and	O
editing	O
,	O
2D	O
depiction	O
,	O
and	O
2D	O
to	O
3D	O
conversion	O
.	O
</s>
<s>
SAMSON	B-Application
Inria	O
Windows	O
,	O
Linux	B-Application
,	O
macOS	B-Application
Software	O
platform	O
for	O
integrated	O
computational	O
nanoscience	O
.	O
</s>
