Zettlr

Zettlr is an open-source writing application dedicated to the Markdown format, offering a balance of simplicity and advanced tools. Developed with Electron, it runs smoothly on Windows, macOS, and Linux. The editor provides a clutter-free writing space alongside powerful features like file organization with drag-and-drop, configurable hotkeys, and support for mathematical equations (via KaTeX). It encourages a non-linear writing approach with its internal linking system and graph view, helping users visualize connections between notes. With regular updates and a supportive community, Zettlr is a versatile choice for anyone seeking a free, extensible tool for drafting, editing, and publishing text-based content.