Best Knowledge Graph tools

A local-first Markdown knowledge base with backlinks, graphs, canvas, and Git sync.

An outliner that turns notes into searchable, reusable knowledge with tags and saved views.

A local-first Markdown notebook and knowledge base with backlinks and optional AI writing.

A connected-notes app with a knowledge graph, visual maps, transcription, and an optional AI agent.

A notes and personal knowledge app with categories, links, voice capture, and export.

A linked-thought knowledge graph for capturing notes and attachments and navigating related ideas.

An agent-first wiki that shares durable knowledge across agents and people, with version history and health checks.

A local-first macOS outliner that combines linked notes, tasks, calendar views, and deep-work tools.

A lightweight local Markdown knowledge base with tags, search, and a note graph.

A browser-based knowledge base built from Markdown notes, links, and a navigable graph.

A local Markdown notebook that maps the path between connected ideas.

A web notes app with wikilinks, a knowledge graph, spaces, tags, search, and cross-device sync.

An open-source note app for linked ideas, personal knowledge graphs, and self-hosted knowledge bases.