4 Free and Open-source 7 z Apps for macOS (Intel and Apple Silicon)

7-Zip

a file archiver with a high compression ratio.

7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.

iZip

Manage Zip and Compressed file archives ON MAC

iZip is the easiest way to manage ZIP, ZIPX, RAR, TAR, 7ZIP and other compressed files on your Mac. Best of all it's completely free so you can zip, unzip & unrar your files without limitations!

iZip supports all the major modern archive formats like ZIP, RAR, 7ZIP, TAR, BZ2 and XZ, including fully encrypted archives. Simply open an archive with iZip to quickly browse, view and extract.

Keka: The archiver

Compress and uncompress folders and files for macOS

Keka is a free compression and decompression lightweight solution. It's easy to use and supports many versions of macOS.

The Unarchiver

Open any archive in seconds

The Unarchiver is a free file compression manager supports many archived files especially RAR, ZIP, ACE and TAR. It's totally free and supporting many macOS versions starting from macOS 10.7. It also supports rare archived formats including old formats as well.

The Unarchiver is the only app you need to open RAR on Mac. It’s times more powerful than the native macOS utility and supports infinitely more archive formats.