Open-source OpenAI Codex editor for macOS — a native Codex GUI/IDE sidecar with file explorer, CodeMirror editing, code search, previews, and safe saves.
syntax-highlighting codemirror wkwebview code-editor code-search appkit file-explorer html-preview macos-app codex-editor markdown-preview openai-codex ai-coding codex-cli codex-gui codex-ide codex-desktop codex-app codex-sidecar
-
Updated
Aug 30, 2026