Zettlr

Built on the versatile Electron framework, Zettlr is a feature-rich, open-source Markdown editor that brings intelligence to your writing process. It supports a wide array of Markdown flavors and extensions, along with practical tools like a built-in spell checker, theme customization, and export to multiple formats including PDF and HTML. The application is designed for productivity, offering seamless navigation between files and the ability to manage references, making it a capable companion for complex writing projects and everyday note-taking alike.