Show HN: Flo State, a fast, minimalist, native Markdown editor for macOS

Category: devtools

Tags: markdown-editor, macos, swift, appkit, textkit, native-app, parity-testing

Score: 6.5/10 (Innovation: 5, Technical: 8, Documentation: 8, Utility: 5)

Flo State Native is a Swift/AppKit rewrite of a Tauri-based Markdown editor, achieving behavioral parity with the web app using TextKit 2 and a custom Swift port of the Lezer Markdown parser. It includes a sophisticated oracle harness that drives the original web frontend headless to record fixtures, ensuring pixel-perfect parity in rendering, keymaps, and app shell behavior. This is a technically impressive native port with rigorous testing, though its utility is limited to macOS users seeking a minimalist Markdown editor.

Target audience: macOS users, writers, developers looking for a native Markdown editor

Repository: https://flocrivello.com/flostate/ · Swift · GPL-3.0 · 96 stars

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