Panels is built on our experiment management platform (100% free for individuals). Essentially as a user you can report all of your metrics, params, assets, data samples etc. Everything stored is also accessible via our JS SDK so it's really easy to fetch data for your panels.
The main idea is that visualizations aren't stale. Every time a new experiments is reported your visualization will update with that additional data.
Docs available here: https://www.comet.ml/docs/javascript-sdk/getting-started/
Blogpost with more information: https://www.comet.ml/site/introducing-panels-custom-visualiz...