Ideon – open-source spatial canvas for project context
Spatial canvas instead of lists, but Miro, Notion, and Linear already own this problem space.

Another infinite canvas tool competing with Notion, Miro, and Heptabase without clear differentiation.
Knowledge workers, designers, researchers, remote teams
Notion · Miro · Heptabase
Spatial canvas instead of lists, but Miro, Notion, and Linear already own this problem space.
Beautiful 'quiet software' philosophy, but another AI note app in a saturated market.
Hyperbolic geometry note-taking demo with Poincaré disk visualization, but controls need work.
Infinite canvas terminal with minimap—tmux tabs but actually visible.
Hierarchy emerges by subdivision, but Obsidian plugins already auto-tag and link notes.
Infinite canvas for tmux sessions beats linear chat interfaces for multi-agent workflows.