Dendron is an open-source hierarchical note-taking tool built on VS Code, with local-first Markdown storage and 100+ commands for managing knowledge bases of tens of thousands of notes. Free and suited to developers and heavy knowledge users.
Provider
3 results shownCapacities is an object-based personal knowledge management tool from a German team, launched in 2019, organizing notes, people, projects, and ideas as objects; the free plan offers unlimited objects, and Pro unlocks calendar and backlink views for about €10/month.
Roam Research is a personal knowledge management tool from San Francisco, founded in 2018, that pioneered block references and bidirectional links. Built around Daily Notes, outlining and a graph view, it costs about $15 per month and defines the "Roam-like" PKM paradigm.