I have implemented my own open-source (https://github.com/brettkromkamp/contextualise https://github.com/brettkromkamp/contextualise) topic maps-based personal

I have implemented my own open-source (https://github.com/brettkromkamp/contextualise https://github.com/brettkromkamp/contextualise) topic maps-based personal knowledge management system: Contextualise: https://contextualise.dev/ https://contextualise.dev/. However, I think Contextualise is missing quite a few of the features that you are looking for. You can check out an exhaustive list of (personal) knowledge management applications, here: https://github.com/brettkromkamp/awesome-knowledge-management https://github.com/brettkromkamp/awesome-knowledge-managemen...