Yarc lists Roam as an inspiration, so I would like to mention an open-source alternative called Athens [1]. It's being actively developed and I imagine will so

Yarc lists Roam as an inspiration, so I would like to mention an open-source alternative called Athens [1]. It's being actively developed and I imagine will soon eat Roam's lunch, given their unfortunate pricing model. [1] https://github.com/athensresearch/athens https://github.com/athensresearch/athens