Standard Notes is a privacy-first encrypted notebook designed for long-term writing and knowledge storage. All notes are protected with end-to-end encryption and synced securely across devices.
Notesnook is an open-source encrypted notebook built for privacy and offline use. It supports markdown, zero-knowledge encryption, and seamless sync without tracking.
Joplin is a powerful open-source notebook that supports end-to-end encryption and syncing via Nextcloud, WebDAV, or local storage. Ideal for users who want full control.
Cryptee is a privacy-focused service for encrypted documents, notes, photos, and files, with all encryption happening client-side before data leaves your device open-source front end, EU-based, and built for people who need strong privacy.
Turtl is a privacy-focused encrypted notebook designed for storing notes, bookmarks, and research material. All data is encrypted before leaving your device.
SurfSense is an open-source AI knowledge workspace and NotebookLM alternative with unlimited sources, self-hosted AI support, real-time collaboration, smart search, and advanced research tools.
Open Notebook is an open-source, self-hosted NotebookLM alternative with multi-model AI support, intelligent research tools, contextual chat, podcast generation, and complete control over your data.
Logseq is a privacy-first, open-source knowledge management platform with outliner-based note-taking, bidirectional linking, PDF annotation, and task management, all stored locally in plain Markdown or Org-mode files.
Tolaria is an open-source desktop app for macOS, Windows, and Linux that manages markdown knowledge bases with Git versioning, zero cloud dependencies, and built-in AI agent support, your notes stay plain files, always yours.
Zettlr is a privacy-first, open-source publication workbench with Zettelkasten support, citation manager integration, LaTeX/Word export, and a markdown editor that adapts to your style. All notes stored locally, no cloud required.
TagSpaces is a free, open-source file organizer that lets you tag, search, and manage local files completely offline, no cloud account, database, or internet connection required.
Files.md is a private, local-first note-taking app that stores notes, journal entries, tasks, and checklists as plain .md files, running entirely in your browser with no install and optional sync via cloud folders, a self-hosted server, or a Telegram chatbot.