Best Self-Hosted Note Taking & Knowledge Management Tools in 2026

Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.

A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.

Privacy-focused, open-source note-taking and to-do app with end-to-end encryption and multi-device sync.

Hierarchical personal knowledge base with powerful note-taking, rich text editing, and scripting capabilities.

Open-source, privacy-first alternative to Google NotebookLM with multi-model AI support, podcast generation, and self-hosting.

Real-time collaborative markdown note editor you can self-host — write together with rich formatting and seamless sharing.

Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.

A simple local-first note-taking app for your plain .md files with Telegram bot access.

Self-hosted AI transcription and intelligent note-taking platform that turns audio recordings into organized, searchable notes with speaker identification.

A self-hosted knowledge base for note-taking with markdown support, Zettelkasten methodology, and Docker deployment.

Lightweight self-hosted app for managing personal file-based notes and checklists.

A self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.

A minimalist, offline-first markdown note-taking app for macOS, Windows, and Linux.

Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.

A Markdown note-taking web application designed for simplicity with vaults, collaboration, and PWA support.

AI-native, local-first markdown editor and LLM wiki with built-in integrations for Claude, Codex, and other agents.

Open-source local-first Markdown workspace for macOS with wiki, AI editing, and encrypted sync.

A simple self-hosted journal and blog API written in Go, using SQLite for storage.