Our Restya stack (open source) is similar to this with tech agnostic approach. We used it to build Restyaboard http://restya.com/board/ http://restya.com/board/

Our Restya stack (open source) is similar to this with tech agnostic approach. We used it to build Restyaboard http://restya.com/board/ http://restya.com/board/ (open source trello alternative/clone)