I think Connor White Sullivan is was working on something like this as of last Conj https://twitter.com/conaw https://twitter.com/conaw http://roamresearch.com/

I think Connor White Sullivan is was working on something like this as of last Conj https://twitter.com/conaw https://twitter.com/conaw http://roamresearch.com/ http://roamresearch.com/ I also know Jeremy Taylor (who works on Crux) was working on a DataScript based org mode like graph tool