

Kuku: open source
Your open-source, local second brain for every AI
What is Kuku: open source?
Kuku is back as an open-source, local-first second brain for the AI era. It keeps your knowledge in plain Markdown files, then turns your vault into reusable context: wikilinks, backlinks, graph, search, and AI-assisted edits with reviewable diffs. Unlike closed note apps or one-off AI chats, Kuku is built to make your memory portable across tools, models, and self-hosted setups.
From the website
kuku — Local-first AI Markdown workspace for macOS
A fast, local-first Markdown knowledge base for macOS. Write with wikilinks, backlinks, graph view, and AI editing with reviewable diffs. Offline-first, open source, no lock-in.
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