The best open source alternative to 9 ZIP is 7-Zip. If that doesn't suit you, our users have ranked more than 50 alternatives to 9 ZIP and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to 9 ZIP are PeaZip, NanaZip, MacPacker and FreeArc.
Feature-rich archiving software with top-tier compression in 7z, integration in Windows Shell, AES-256 encryption, and multi-format support, including TAR, ZIP, RAR. Offers strong file management tools and a command line version for Linux/Unix systems.
PeaZip is free file archiver utility, based on Open Source technologies of 7-Zip, p7zip, FreeArc, PAQ, and PEA projects, for Linux, macOS and Windows.
NanaZip is an open source file archiver intended for the modern Windows experience, forked from the source code of well-known open source file archiver 7-Zip.
Archive manager for macOS. Open source, because essential tools should be free. Preview (nested) archives without extracting them.
FreeArc is a free and open source file archiver developed by Bulat Ziganshin. It uses LZMA, PPMD, TrueAudio and GRzip algorithms with automatic switching by file type, and also uses set of filters—for instance it can remove repetitions from text.
File Roller is the archive manager of the GNOME desktop environment. It can extract, view, create and modify archives. File Roller is only a graphical interface to archiving utilities such as tar and zip.
Ark is a program for viewing, extracting, creating and modifying archives. Ark can handle various archive formats such as tar, gzip, bzip2, zip, rar, 7zip, xz, rpm, cab and deb (support for certain archive formats depend on the appropriate command-line programs being installed).
7-Zip with support for Zstandard, Brotli, Lz4, Lz5 and Lizard Compression. Open source under LGPL-2.1 license.
GNU Gzip is a software application used for file compression and decompression. It is based on the DEFLATE algorithm, which is a combination of LZ77 and Huffman coding.
A simple and easy to use GUI based on 7zip for creating self-extracting archives and self-extracting installers.
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