OpenKnowledge is described as 'AI-native markdown editor featuring WYSIWYG editing, LLM integrations, team sharing, GitHub sync, graph wiki links, TUI, and embeddable components' and is a Note-taking tool in the ai tools & services category. There are more than 50 alternatives to OpenKnowledge for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best OpenKnowledge alternative is Obsidian, which is free. Other great apps like OpenKnowledge are Joplin, Logseq, Anytype and Notion.
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
Zim brings the concept of a wiki to your desktop. Store information, link pages and edit with WYSISYG markup or directly typing some lightweight markup syntax and see it previewed as-you-type. Creating a new page is easy by either clicking on the "Create new note"...
Netherlands
EU
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.
FranceEU
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.
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
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.
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
Your personal note-taking haven for privacy and efficiency.
ItalyEU
Open-source wiki and documentation solution offering real-time collaborative editing, robust permissions, group management, spaces for organizing content, inline commenting, full-page history, advanced full-text search, nested pages, attachments, and flexible storage.
United States
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
