Atomic Editor – Obsidian-style live preview for CodeMirror 6
Lazy-loaded grammars only hit the wire when you open a fence.

Lazy-loading CodeMirror grammars is clever, but Obsidian already does inline preview better.
Developers and writers who use markdown editors
Obsidian · Typora · Zettlr
Lazy-loaded grammars only hit the wire when you open a fence.
Atomic saves with fsync+rename and sha256 content-addressed images show real craft.
Tufte CSS live editor with zero dependencies—but local-only and AI-generated code limits trust.
Line under cursor stays raw while everything else renders in place.
Rust/Tauri Markdown editor with no subscriptions—but crowded against Obsidian, iA Writer, Bear.
Native macOS feel without Electron bloat; offline LaTeX and Mermaid support.