Run multiple instances of Codex(GUI) each with their own auth
Multiple Codex accounts on macOS when the official app doesn't support this.

Finally solves the sign-in roulette for multi-account Claude users without terminal hacks.
Developers and agencies managing multiple Claude subscriptions
Multilogin · Ghost Browser · Firefox Multi-Account Containers
Multiple Codex accounts on macOS when the official app doesn't support this.
Separate Claude profiles via --user-data-dir without modifying the original app.
12 MB native Swift app isolating Google accounts without Electron bloat.
Switch CLAUDE_CONFIG_DIR to run concurrent instances with different personalities.
GUI wrapper for Claude Desktop configs, like Macabolic for yt-dlp.
Profile switcher for Claude Code, but just sets CLAUDE_CONFIG_DIR on Linux.