<s>
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
(	O
YAKINDU	O
SCT	O
)	O
is	O
a	O
tool	O
for	O
the	O
specification	O
and	O
development	O
of	O
reactive	O
,	O
event-driven	O
systems	O
with	O
the	O
help	O
of	O
finite-state	B-Architecture
machines	I-Architecture
.	O
</s>
<s>
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
are	O
available	O
with	O
standard	O
and	O
professional	O
editions	O
,	O
with	O
no-cost	O
licenses	O
for	O
non-commercial	O
resp	O
.	O
</s>
<s>
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
implement	O
the	O
concept	O
of	O
statecharts	O
as	O
invented	O
by	O
David	O
Harel	O
in	O
1984	O
.	O
</s>
<s>
Statecharts	O
have	O
been	O
adopted	O
by	O
the	O
UML	B-Language
later	O
.	O
</s>
<s>
The	O
software	O
can	O
be	O
used	O
to	O
model	O
finite-state	B-Architecture
machines	I-Architecture
.	O
</s>
<s>
Important	O
theoretical	O
models	O
for	O
finite-state	B-Architecture
machines	I-Architecture
are	O
Mealy	B-General_Concept
machines	I-General_Concept
and	O
Moore	B-General_Concept
machines	I-General_Concept
.	O
</s>
<s>
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
can	O
be	O
used	O
to	O
model	O
both	O
these	O
types	O
.	O
</s>
<s>
The	O
main	O
features	O
of	O
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
are	O
:	O
</s>
<s>
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
provides	O
open	O
APIs	B-Application
,	O
allowing	O
for	O
adaptions	O
to	O
specific	O
requirements	O
to	O
a	O
large	O
extent	O
.	O
</s>
<s>
For	O
this	O
purpose	O
,	O
the	O
concept	O
of	O
domain-specific	B-Language
statecharts	O
is	O
defined	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
was	O
released	O
in	O
2008	O
as	O
part	O
of	O
the	O
research	O
project	O
MDA	O
for	O
Embedded	O
.	O
</s>
<s>
In	O
this	O
research	O
project	O
,	O
model-based	O
development	O
processes	O
for	O
the	O
development	O
of	O
embedded	O
systems	O
based	O
on	O
the	O
Eclipse	B-Application
project	O
were	O
developed	O
.	O
</s>
<s>
The	O
first	O
official	O
version	O
was	O
released	O
together	O
with	O
Eclipse	B-Application
version	O
Juno	O
.	O
</s>
<s>
Release	O
2.9	O
is	O
compatible	O
to	O
Eclipse	B-Application
versions	O
4.5	O
(	O
Mars	O
)	O
and	O
4.6	O
(	O
Neon	O
)	O
.	O
</s>
<s>
With	O
release	O
3.0	O
of	O
the	O
standard	O
edition	O
in	O
July	O
and	O
of	O
the	O
professional	O
edition	O
in	O
August	O
2017	O
,	O
itemis	O
changed	O
licensing	O
away	O
from	O
open-source	O
to	O
a	O
proprietary	B-Application
license	I-Application
model	O
.	O
</s>
<s>
YAKINDU	B-Language
Statechart	I-Language
Tools	I-Language
 '	O
last	O
open-source	O
release	O
2.9.3	O
is	O
still	O
available	O
from	O
YSCT	O
's	O
GitHub	O
repository	O
.	O
</s>
