Libarchive a free opensource library to open rar and other archives

[pix07]

https://www.libarchive.org/

• Reads a variety of formats, including tar, pax, cpio, zip, xar, lha, ar, cab, mtree, rar, and ISO images.
• Writes tar, pax, cpio, zip, xar, ar, ISO, mtree, and shar archives.
• Automatically handles archives compressed with gzip, bzip2, lzip, xz, lzma, or compress.
• Unique format conversion feature.

It will help to create archives on mac os and linux also there is version for windows.