• https://github.com/jerosoler/Drawflow
• can use https://github.com/nikomatsakis/skill-tree to render skill trees
  • show progression
• or use https://github.com/steveruizok/perfect-arrows (seems best & new)
• the global graph of topic connections is sourced from both everyone and also the people you follow

https://github.com/steveruizok/arrows-playground

https://github.com/antonioru/beautiful-react-diagrams

can use https://github.com/anvaka/VivaGraphJS (is solid)