nodum implements a typed knowledge graph stored entirely in a single SQLite file, using Markdown content nodes and typed edges. It includes an append-only event log, node versioning, undo functionality, and wikilink materialization. A deterministic, LLM-free service layer and JSON-emitting CLI provide access to the graph.
nodum sits in PulseGate's Frameworks & SDKs category. It focuses on building and maintaining a local, versioned knowledge graph without external databases or complex setup. nodum is an open-source project aimed at developers. The project is open source (MIT). It runs on the command line and API, and it can be self-hosted.
It is developed by vcoeur, and the product first shipped in 2026. The project is developed in the open on GitHub with 62 commits in the last 90 days. Among its 6 catalogued features are Knowledge Graph, SQLite Backend, and versioning.
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