The best open source alternative to ghostwriter is Notesnook. If that doesn't suit you, our users have ranked more than 100 alternatives to ghostwriter and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to ghostwriter are Zettlr, Trilium Notes, Pulsar Editor and MarkText.
Offers open-source, end-to-end encrypted notes with device-based privacy, cross-platform support, private vault, secure sync, offline access, markdown editor, exports to multiple formats, automatic backups, organizational tools, and strong encryption.
Pakistan
Unified writing platform offering note-taking, easy citations with Zotero integration, LaTeX/Word templates, snippets, themes, dark modes, code highlighting, multi-language support, and knowledge management with Zettelkasten for seamless writing from notes to books.
Germany
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
A Community-led Hyper-Hackable Text Editor, built on Electron. and based on everything we love about our favorite editors.
United States
Open-source Markdown editor on Mac, Windows, and Linux offering real-time preview, clean interface, and various themes. Supports math expressions, exports HTML/PDF, allows image pasting, and more.
Singapore
Clean, native Markdown editor for macOS with syntax highlighting, real-time GitHub Flavored Markdown and Mermaid diagram preview, KaTeX math support, synchronized side-by-side editing, QuickLook integration, PDF export, format shortcuts, and no subscriptions.
United States
Marknote lets you create rich text notes and easily organise them into notebooks. You can personalise your notebooks by choosing an icon and accent color for each one, making it easy to distinguish between them and keep your notes at your fingertips.
GermanyEU
Simple but configurable and themeable, distraction-free text editor for writers. Open-source and available across desktop platforms.
United States
Fast, native text editor supporting Markdown, JSON, YAML, and TOML with live preview, syntax highlighting, Mermaid diagrams, CSV/TSV viewing, collapsible trees, Git integration, regex find/replace, customizable themes, zen mode, and multi-language support.
Norway
Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
FranceEU
novelWriter is a Markdown-like text editor designed for writing novels and larger projects of many smaller plain text documents. It uses its own flavor of Markdown that supports a meta data syntax for comments, synopsis and cross-referencing between files.
A native macOS markdown editor specialized for AI context management. Live editor on the left (codemirror 6), rendered preview on the right (markdown-it + shiki + mermaid). Minimal Chrome, full catppuccin + matcha themes, macOS vibrancy, orange octopus mascot. ~10 MB bundle.
Philippines
