Suggest an alternative to

OpenChart-web

A web-based editor for rhythm game charts/maps. (Etterna, osu!mania, Stepmania, Quaver)

Why do you think that https://github.com/altonchaney/cosmere-maps is a good alternative to OpenChart-web

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 OpenChart-web. Optional.

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