BTW - I wrote this in the readme, but I'll paste it here as well for 
good measure:

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  Feel free to host a copy of Mattari AA online, modify it, or sell it 
  to your least favorite aunt for $$$ if you want - Mattari AA is FREE 
  software for THE WORLD

         ヽ(´ー｀)人(´ー｀)人(´ー｀)人(´ー｀)人(´ー｀)ノ

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It's purely HTML+CSS+JS, so you can use it locally just by extracting 
the zip and opening index.html in a web browser. If you want I can 
stick a copy of it up on Neocities so anyone can access it from any-
where , but kaguya or whoever else is free to host it if they desire