Nowhere.
It is part of Pegasus (unfortunately undelivered GSoC project)

you can extract viva classes from there , if you want.

http://smalltalkhub.com/#!/~vmariano/Pegasus

but i don't know what to do with it..

and if you need it (well since you asked, you are :)..
we can discuss what steps to do..

On 13 November 2013 14:04, Alexandre Bergel <alexandre.bergel@me.com> wrote:

Viva is an animation framework for Athens

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Alexandre Bergel ��http://www.bergel.eu
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Best regards,
Igor Stasenko.