Notesnook is described as 'Fully open-source, end-to-end encrypted notes with device-based security, secure sync, offline access, powerful editor, vault, backups, and exports' and is a very popular Note-taking tool in the office & productivity category. There are more than 100 alternatives to Notesnook for a variety of platforms, including Mac, Windows, Web-based, Linux and Android apps. The best Notesnook alternative is Obsidian, which is free. Other great apps like Notesnook are Joplin, Anytype, Logseq and Notion.
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
Estonia
EU
Workspace with end-to-end encryption, zero-knowledge security, rich notes, private journal, encrypted file storage, password management, cross-platform browser access, open-source cryptography, optional Pro features, and no recurring subscription fees.
United States
Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...
AustriaEU
Open-source note-taking tool offering AI-enhanced retrieval with RAG technology, secure self-hosted data storage, Markdown support, and transparent community collaboration on GitHub for efficient, private, and effortless note management.
China
Workspace fusing browsing, file management, and AI with local-first data; offers note-taking, applet creation, offline media storage, YouTube and PDF interaction, customizable AI-powered notes, citation tools, split views, sidebar navigation, and privacy features.
GermanyEU
ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.
GermanyEU
Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.
AustriaEU
Lightweight, self-hosted app for managing personal checklists and notes with drag and drop, progress bars, Kanban boards, Markdown WYSIWYG editor, file-based data, user management, sharing options, themes, open source, and API access.
A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.
United States
Butterfly is a note-taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.
GermanyEU
DeepNotes is an open source, end-to-end encrypted visual note-taking app with deep page navigation and live collaboration. Create mind maps, diagrams, kanban boards, among others. Infinite nesting of infinite canvases.
United States
Provides end-to-end encrypted note-taking, file storage, and sketching with syncing across platforms, zero data collection, no personal info or passwords required, open-source code for transparency, and optional premium storage, all via native and CLI tools.
United States
