Apps similar to Zettlr include Obsidian, which has a free version. Other options are Joplin, Logseq, Notesnook and AppFlowy. Note-taking Tools like Zettlr are a crowded field, with more than 100 alternatives for Mac, Windows, Linux, the web and iPhone.
TreeTime is an information organizer that stores text, numbers, and other data in linked trees. Mathematical operations like sums, ratios, and differences are calculated and updated on the fly. It exports to PNG, SVG, HTML, CSV, and plain text, and includes a configurable web interface.
Germany
EU
Terminal-based markdown note manager to view statistics, explore connections and launch editing and viewing applications.
Free tool specializing in novel writing with plotting, outlining, and organization features, including customizable categories, notes, text, images, and tagging. Directly annotate and write scenes, structure chapters and acts, and set target word counts or deadlines.
ItalyEU
Modern Markdown Editor is a sleek, minimal note-taking and writing platform that lets you create, edit, and organize your notes effortlessly using Markdown.
A Markdown Text Editor to manually edit a markdown file, with instant preview of the output in a HTML Viewer.
ItalyEU
A document manager and site builder/generator for Word users. You can open Word documents in tabs, manage documents on a project basis, full-text search documents across multiple project folders, attach tags, notes, stars, and so on to the documents.
Rhyolite is a simple markdown editor build using tauri framework that allows user to edit and work on markdown files.
India
Tinderbox is a personal content assistant that helps you visualize, analyze, and share your notes.
United States
LowNotes is an open-source, local-first Markdown note-taking app for Windows, macOS, and Linux. Built with Tauri, Rust, Svelte, and TypeScript, it offers peer-to-peer sync and real-time collaboration without centralized cloud storage.
Brazil
IrelandEU
Novellier is a complete writing suite designed for novelists, screenwriters, and storytellers. Unlike traditional word processors, it lets you manage entire book series within a single project—switch between novels while sharing characters, locations, and resources across all of...
United Kingdom
A tailor-made writing application for fiction writers that lets you plan, organize, and write stories and series. You can create story outlines from pre-defined templates, create and manage rich and interesting characters, build immersive fictional worlds and more.
United States
