Unrar is the name of two different command-line applications for extracting RAR

RAR (file format)

RAR stands for Roshal ARchive. It is a proprietary archive file format that supports data compression, error recovery, and file spanning...

 archives

Archive format

An archive format is the file format of an archive file. The archive format is determined by the file archiver. Some archive formats are well-defined by their authors and have become conventions supported by multiple vendors and/or open-source communities....

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RARLAB UnRAR

This version of UnRAR is distributed by RARLAB, the makers of the commercial WinRAR

WinRAR

WinRAR is a shareware file archiver and data compression utility developed by Eugene Roshal, and first released in autumn of 1993. It is one of the few applications that is able to create RAR archives natively, because the encoding method is held to be proprietary.-Developer:The current developer...

 archivers. It can extract newer RAR3 archives not supported by GNA's version.

GNA UnRAR

This free software

Free software

Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...

 version of UnRAR is based on an old version of RARLAB's UnRAR with permission from author Eugene Roshal. It is licensed under the GPL. It does not support the RAR3 format.

External links

• RARLAB's UnRAR—source and binaries
• GNA's UnRAR
  • unrarlib—a GPL library for decoding RAR (version 2) archives based on the Roshal's code
• Free RAR Extract Frog—a freeware tool using the dll-library for decoding RAR archives
• RarZilla—a freeware decompression tool for RAR archives
• SharpCompress—a pure C# implementation of UnRAR and other compression/decompression formats. Successor to NUnrar