Zettlr
A free, open-source Markdown editor and publication workbench for writers and researchers.

Description
Zettlr is a cross-platform, free and open-source Markdown editor designed to support writers, scholars, and researchers throughout the entire writing lifecycle.
It emphasizes privacy and local file ownership—no forced cloud synchronization or telemetry—while offering powerful citation and export capabilities.
Ideal for note-taking, academic writing, and publication workflows, Zettlr integrates with reference managers and supports a wide range of export formats.
Features
Privacy-First Markdown Editing
Work entirely offline with local files—no telemetry, no forced cloud sync.
Citation & Reference Manager Integration
Seamlessly connect with Zotero, JabRef, Mendeley, and others for academic writing.
Flexible Exporting & Templates
Export to PDF, HTML, DOCX, LaTeX, and more using Pandoc; supports custom templates.