What's the closest Tableau alternative that's OSS?
PowerBI?
Apache Superset? https://superset.apache.org
PowerBI?
Apache Superset? https://superset.apache.org
Are there some videos that walk a user through setting it up to using it?
[0] https://datastation.multiprocess.io/docs/
[1] https://www.youtube.com/channel/UCGOQFKonPUVo5LgxQDW26yg/vid...
On the other hand, Redash has served my startup really well for the first 3 years (and now we're finally moving to Tableau)
I have used Vega + Jupyter a few times. As well as the Vega Viewer extension for VS Code. I haven't used it enough to be proficient and fast, but I have used it enough to know that I want to be.