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Software · Self-hosting

ocean-brain

Self-hosted knowledge base for organizing notes, thoughts, and projects with backlinks, properties, views, reminders, and MCP integration.

  • Completely free
  • Open source
  • No account

Overview

Features described in its GitHub repository: self-hosting on your own server, reminders and due dates.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Self-hosted knowledge base for organizing notes, thoughts, and projects with backlinks, properties, views, reminders, and MCP integration.” — GitHub, 10 November 2026
  • “Self-hosted knowledge base for organizing notes, thoughts, and projects with backlinks, properties, views, reminders, and MCP integration.” — GitHub, 10 November 2026

At a glance

ocean-brain is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 7 November 2026
  • Description from github.com — Dépôt GitHub baealex/ocean-brain (MIT)

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