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7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. [2] 7-Zip has its own archive format called 7z introduced in 2001, [12] but can read and write several others.
B1 Free Archiver is a proprietary freeware multi-platform file archiver and file manager. B1 Archiver is available for Microsoft Windows, Linux, macOS, and Android. It has full support (compression, unpacking and encryption) for ZIP and its native B1 format. [1] The program decompresses more than 20 popular archive formats. [2]
It is not a free software license. 7-Zip, a free and open-source program, starting from 7-Zip version 15.06 beta [11] can unpack RAR5 archives, using the RARLAB unrar code. PeaZip is a free RAR unarchiver, licensed under the LGPLv3-or-later and via 7-Zip can unpack RAR archives, using RARLAB unrar. [12]
File archivers Developer Initial release Platform Latest release version Latest release date Status License Cost 7-Zip: Igor Pavlov 1999-01-02 Cross-platform 24.09 [1] 2024-11-29 Active LGPL-2.1-or-later (RAR plugin is proprietary) No cost ALZip: ESTsoft: 1999 [a] Cross-platform 12.22 [2] 2024-02-07 Active Proprietary No cost [b] Archive Manager
ZIP files generally use the file extensions.zip or .ZIP and the MIME media type application/zip. [1] ZIP is used as a base file format by many programs, usually under a different name. When navigating a file system via a user interface, graphical icons representing ZIP files often appear as a document or other object prominently featuring a zipper.
WinRAR is a trialware file archiver utility, developed by Eugene Roshal of win.rar GmbH. It can create and view archives in RAR or ZIP file formats, [6] and unpack numerous archive file formats.
This is a free software version of UnRAR that uses a library that is based on an old version of RARLAB's UnRAR with permission from author Eugene Roshal. [3] It is probably licensed under the GPLv2-only and unrarlib is available under the GPLv2-or-later or a proprietary license. Work ended in 2007. Unrarlib only supports the RAR2 format. [3]
Info-ZIP is a set of open-source software to handle ZIP archives.It has been in circulation since 1989. It consists of 4 separately-installable packages: the Zip and UnZip command-line utilities; and WiZ and MacZip, which are graphical user interfaces for archiving programs in Microsoft Windows and classic Mac OS, respectively.