Suggest an alternative to

the-witness-stand

The Witness Stand is a set of sandboxes for trying user programs.

Why do you think that https://github.com/engineer-man/piston is a good alternative to the-witness-stand

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with the-witness-stand. Optional.

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