Keka is described as 'free file archiver for macOS' and is a popular app in the File Management category. There are more than 50 alternatives to Keka for a variety of platforms, including Mac, Windows, Linux, BSD and Android. The best alternative is 7-Zip, which is both free and Open Source. Other great apps like Keka are PeaZip (Free, Open Source), WinRAR (Freemium), The Unarchiver (Free) and Commander One (Freemium).
WinRAR is a powerful archive manager. It can backup your data and reduce the size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.
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.
p7zip is a port of the command line version of the 7-Zip file archiver to POSIX-conforming operating systems like Unix (Linux, Solaris, OpenBSD, FreeBSD, Cygwin, AIX, ...), MacOS X and also for BeOS and Amiga.
Xarchiver is a lightweight desktop independent archive manager built with the GTK+2 toolkit. It was developed with a simple GUI which that could be used with any desktop environment and would operate using the command line rather than API calls.
Extract Only Files You Really Need. Create Archives. Update Archives. Protect Your Data. Open Archives Without Extracting (ZIP, SIT, TAR, GZip, BZip2, RAR, 7-Zip, CPIO, ARJ, LZH/LHA, JAR, WAR, CAB, ISO, CHM).
B1 Free Archiver is a free multi-platform universal archiver. Currently it works on Windows, Mac, Linux and Android; moreover B1 Online Archiver allows you to uncompress .b1, zip, rar or .7z archive from your computer directly online.