<s>
Leiden	B-Operating_System
Classical	I-Operating_System
was	O
a	O
volunteer	B-Operating_System
computing	I-Operating_System
project	O
run	O
by	O
the	O
Theoretical	O
Chemistry	O
Department	O
of	O
the	O
Leiden	O
Institute	O
of	O
Chemistry	O
at	O
Leiden	O
University	O
.	O
</s>
<s>
Leiden	B-Operating_System
Classical	I-Operating_System
used	O
the	O
BOINC	B-Operating_System
system	O
,	O
and	O
enabled	O
scientists	O
or	O
science	O
students	O
to	O
submit	O
their	O
own	O
test	O
simulations	O
of	O
various	O
molecules	O
and	O
atoms	O
in	O
a	O
classical	O
mechanics	O
environment	O
.	O
</s>
<s>
The	O
library	O
is	O
covered	O
by	O
the	O
LGPL	B-Application
license	I-Application
and	O
the	O
main	O
program	O
is	O
covered	O
by	O
the	O
GPL	B-License
.	O
</s>
<s>
Participation	O
was	O
possible	O
via	O
the	O
BOINC	B-Operating_System
manager	O
.	O
</s>
