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OpenSim

Open-source alternative to SimPholders, written in Swift

Source

OpenSim provides a macOS‑only tool for managing iOS simulator instances, serving as an open‑source replacement for SimPholders. It is written in Swift 4 and can be installed via Homebrew Cask, offering a compiled binary that runs without code signing. The application monitors the simulators directory, dynamically reloads when changes occur, and filters out empty simulator entries, presenting a cleaner view of available simulators.

The software parses information directly from the `xcrun` command rather than relying on a `device_set.plist` file, improving accuracy and reducing external dependencies. Its user interface has been refined compared to earlier versions, aiming for a more intuitive experience when navigating simulator data.

OpenSim is positioned for developers who need a lightweight, locally built utility to inspect and organize their iOS simulator environments on macOS, and it remains in a stable maturity state while continuing to evolve with additional features such as app uninstallation and data resetting.

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