Apps similar to lessmsi include Universal Extractor 2, which is free and open source. Other options are GARbro, Innounp, innoextract and InnoExtractor. In total there are six File Archivers like lessmsi for Windows, Linux, Android and Mac.
Universal Extractor 2 is an unofficial updated and extended version of the original UniExtract by Jared Breland. It brings several hundred changes including community-wanted ones such as a batch mode, auto-updater and scan-only-functionality.
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A resource browser, archiver, and extractor specializing in game data archives. It handles uncommon file formats not supported by standard zip and rar utilities. A full list of supported formats can be found at https://morkt.github.io/GARbro/supported.html.
innounp, the Inno Setup Unpacker.
It recovers portions of the installation script (.iss file), including the registry changes and the compiled Innerfuse/RemObjects Pascal Script, if available.
Inno Setup is a tool to create installers for Microsoft Windows applications. innoextract allows to extract such installers under non-windows systems without running the actual installer using Wine.
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InnoExtractor is a powerful application that helps you to unpack Inno Setup installers. With InnoExtractor you can explore the internal structure and content of the installer and you can to extract them to a local folder or a portable devices...
Inno Setup Extractor lets you extract (unpack) Inno Setup packages directly on your Android device. Inno Setup files are commonly used to install Windows programs on your PC.
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