MacDown

Archimedes is a Markdown and LaTeX editor built from the ground up for the Mac and designed to make mathematical writing fun and easy. At its core, Archimedes is a fully-featured plain text and Markdown editor. It includes a fast syntax highlighter and provides convenient keyboard shortcuts for common actions, such as inserting images and links. With complete support for Markdown, Archimedes makes formatting and structuring documents elegant and easy. In Math Mode, Archimedes lets you write mathematics in a subset of LaTeX, making it an approachable LaTeX editor. Just enter $$ to get started. Over 700 intuitive commands, such as \sqrt{a^2 + b^2}, help you produce stunning mathematical output. Archimedes even autocompletes commands and intelligently matches closing braces, brackets, and parenthesis as you type.

Antalogy is a Markdown processor that behaves like a traditional word processor with Word-like Ribbon. You type normally, the UI stays out of the way, and it saves clean Markdown underneath. - 100% Local-First Documents: Your files stay strictly on your device. No cloud syncing, zero telemetry, and absolutely no document format lock-in. - Word .docx Import: One-click conversion from .docx to .md while preserving tables, lists, and converting embedded images to PNG. - Native Mermaid Diagrams + AI Generation: Fully supports Mermaid syntax for rendering data visualizations and charts directly from text. The integrated AI Assistant can scan your document's text/data and automatically write the structural Mermaid code to generate precise visual flowcharts and architecture diagrams on the fly. - AI Assistant for Bring Your Own LLM: It connects via any OpenAI-compatible API to your own local quantized LLMs with LMStudio/Ollama/... , private cloud, or on-prem inference servers.