The top-rated alternative to Obsidian is Logseq, which is free and open source. People also recommend Zettlr, sNotes – Students Notes, Anytype and Joplin. There's no shortage of Note-taking Tools like Obsidian, with more than 100 alternatives for Mac, the web, Windows, Linux and Android.
Powerful online word processor with real-time collaboration, document conversion from Word, extensive formatting options, revision history, and multilingual capabilities, all integrated within the Google Drive ecosystem, accessible through any internet-connected device.
United States
Cloud-based, open-source note-taking app supporting plain text notes, lists, and ideas with real-time sync, multi-device support, version history, markdown, tagging, collaborative editing, no ads, and free registration required for all cloud features.
United States
Open-source, privacy-focused workspace combining note-taking, project and task management, Kanban board, interactive whiteboard, Pomodoro timer, Markdown support, offline access, real-time team collaboration with @mentions, goal tracking, subtasks, and customizable features.
Singapore
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
France
EU
The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium
Hierarchical note-taking software that is free, open-source, cross-platform. Features include rich text, syntax highlighting, multi-level lists, embedded files, customizable interface, code execution, PDF export, spell check, images & tables, and comprehensive project management support.
SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.
China
Desktop note app stores plain markdown files with YAML, supports offline-first use, integrated Git repositories for full history, native Claude AI and Codex CLI integration, open source, portable data, keyboard-driven interface, no proprietary lock-in.
ItalyEU
HelixNotes is a local markdown note-taking app built with Rust, Tauri 2.0, and SvelteKit. Your notes are standard .md files on your filesystem - sync with whatever you want or nothing at all.
Your personal note-taking haven for privacy and efficiency.
ItalyEU
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
GNU Emacs is an extensible, customizable text editor—and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. The features of GNU Emacs include:
United States
