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Best PostgreSQL Notes & Knowledge Base for self-hosting

The 7 best PostgreSQL notes & knowledge base you can self-host, ranked by community traction.

Outline

Notes & Knowledge Base

Team knowledge base and wiki

Replaces Notion, Confluence

★ 40k Medium setup BSL-1.1

Wiki.js

Notes & Knowledge Base

Modern and powerful open-source wiki

Replaces Confluence, Notion

★ 28.7k Medium setup AGPL-3.0

Docmost

Notes & Knowledge Base

Open-source collaborative wiki and documentation

Replaces Confluence, Notion

★ 21.3k Medium setup AGPL-3.0

Blinko

Notes & Knowledge Base

Self-hosted personal note tool for capturing ideas

Replaces Google Keep, Memos

★ 10.8k Easy setup AGPL-3.0

AppFlowy Cloud

Notes & Knowledge Base

Self-hosted backend for the AppFlowy workspace app

Replaces Notion

★ 2k Medium setup AGPL-3.0

Notabase

Notes & Knowledge Base

Personal knowledge base for networked thinking

Replaces Roam Research, Obsidian

★ 910 Hard setup AGPL-3.0

Mindwendel

Notes & Knowledge Base

Self-hosted brainstorming and idea capture board

Replaces Miro, Google Keep

★ 136 Medium setup Apache-2.0

Every option here is open-source and self-hostable, tagged PostgreSQL within the notes & knowledge base category. Compare them on the individual app pages for setup difficulty and resource requirements.