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    ATO is a online code sandbox, with an emphasis on niche languages. If you ever wanted to try APL or Chapel but didn’t feel like downloading the whole language, here ya go.

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      A nicer-looking TIO! Thanks :)

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        it’s from pxeger, who is also a user on code golf stack exchange. Since TIO will likely be stagnant for the near future, ATO allows contributions and has more chances for new languages to be added.