Open-source alternatives to Obsidian

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

Privacy-first knowledge base that connects your notes

Build your personal knowledge base with Trilium Notes

Self-hosted wiki with AI, compliance, and real-time editing

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

Zero-knowledge encrypted notes that sync across all devices

AI-Powered Note Taking App

Private workspace for notes, tasks, and databases

Secure, encrypted notes for your digital life

Programmable notes with queries, Lua scripting, and wiki links

AI-native knowledge base & Evernote/Obsidian alternative with instant sync & native MCP. Free on Cloudflare or self-hosted via Docker.

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

Open-source knowledge management and collaboration platform

Distraction-free note-taking with powerful features

Fast, secure, and free personal note-taking app

Privacy-focused note-taking made simple and fast