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lessmsi7-Zip
Free

Free to use with source on GitHub.

 Free

Free software with open source. The site states you can use 7-Zip on any computer…

Windows, Command line Windows, Linux, macOS, Command line
  • Extracts MSI contents without running the installer
  • Both a graphical and a command-line interface
  • High compression ratio in the 7z format with LZMA and LZMA2
  • Packs 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM and unpacks dozens more, including RAR, ISO, MSI and…
  • Windows only
  • Limited to Windows Installer packages
  • The Linux and macOS builds are console versions; there is no official graphical app on those platforms
  • The Windows interface has not changed much in twenty years
Downloadable app Downloadable app
Closed source Open source
License not stated License: LGPL-2.1
No account needed No account needed
Works offline Works offline

Checked September 24, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.