Open-source alternatives to OneNote

AI workspace for docs, projects, and wikis you control

Docs, whiteboards, and databases in one privacy-first workspace

Self-hosted timeline for quick notes, logs, and snippets

Encrypted note-taking that syncs across all your devices

Privacy-first knowledge management with block-level linking

Build your personal knowledge base with Trilium Notes

Local-first, Git-native personal knowledge base with AI

Zero-knowledge encrypted notes that sync across all devices

Secure, encrypted notes for your digital life

Local-first notes app with no cloud, no AI, no tracking

Clean, distraction-free note-taking with local storage

Distraction-free note-taking with powerful features

Fast, secure, and free personal note-taking app

Privacy-focused note-taking made simple and fast