Obsidian
Roam research
Web
Filters and queries for the backlinks - Block Reference and Embeds - Hierarchy of blocks on page - Filter on block hierarchy pages referenced - Query based on all of above - Diagrams - Tables / Kanban - Attributes - Block Level Version Control - Support:hiccup code ,embed HTML,CSS,JS - Single page and All pages Graph view - Base on Outline - Clojure language - Custom CSS / Custom JS - Chrome extension plugin - No create new page button
Single page - All pages Graph view
Eloquent Roam clipper - Roam tookit - Roam forum Google is the competitor of Roam not other note taking tools.
Debate graph
Web
the global debate map - 2 columns layout and multi-view switch - cross-link
multi-views switch - Graph { Explorer, Dagre } - Tree { SpaceTree, Radial, Box } - Article - Page - Outline - Canvas - Time { Calendar , filter by time}
Mind forger