Clone any macOS app to run a second, fully independent instance with its own data directory and login. CLI + Electron GUI. Started for running multiple Claude desktop instances with different accounts.
Run isolated, parallel copies of any Windows app: spin up disposable dev/test sandboxes and keep work and personal profiles cleanly separated. C# / Avalonia.
Very, VERY simple Roblox Mutliple Instance program that allows for multiple Roblox game windows to be open / launched at the same time.
Run two independent Claude Desktop instances side by side on Windows — hotkey + logon launcher
Parallex runs separate copies of any Mac app (Slack, WhatsApp, ChatGPT, Claude, Chrome) with their own accounts and data. App compatibility reports and questions.
Nightly compatibility lab for Parallex: fresh instances of 35 popular Mac apps, opened on a clean Mac and checked for data leaks between copies
Run the same Mac app several times with separate profiles, accounts and caches. Launcher apps, per-instance data folders, external drive support. SwiftUI, macOS 14+.
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