Apps similar to Suspicious Package include App Trust Preview. It's paid, but Grizzly is free. Other options are Pacifist. In total there are three File Archivers like Suspicious Package for Mac.
App Trust Preview helps you inspect Mac software before opening it. It explains signing, notarization, sandboxing, permissions, network access, installers, disk images, executables, scripts, and helpers in plain language, with Quick Look, custom reports, AI agent support and CLI export
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Grizzly is an open-source macOS application designed for browsing and extracting ZIP archives with speed and ease. It provides a clean, Finder-style interface with native system integrations to simplify ZIP file management.
Pacifist is a shareware application that opens Mac OS X .pkg package files, .dmg disk images, and .zip, .tar, .tar.gz, .tar.bz2, and .xar archives and allows you to extract individual files and folders out of them.
