Is this a previewer for manim? Really reminds me of https://bl.ocks.org/ https://bl.ocks.org/, https://observablehq.com/ https://observablehq.com/, https://asci

Is this a previewer for manim? Really reminds me of https://bl.ocks.org/ https://bl.ocks.org/, https://observablehq.com/ https://observablehq.com/, https://asciinema.org/ https://asciinema.org/, and https://nbviewer.jupyter.org/ https://nbviewer.jupyter.org/. Really enjoy these kinds of tools. Though I wish you didn't need an account to preview or upload content to manim.