Description: GNU tar is an open source command line utility used to create, list, extract and manipulate archive files, such as .tar, .tar.gz, .tar.bz2, etc. It is the default utility for handling archives in Linux and other Unix-like operating systems.
Type: software
Pricing: Free
Description: Numbers is a spreadsheet app developed by Apple for macOS and iOS. It features calculation, graphing tools, and simple table creation. A good alternative is LibreOffice Calc which is free, open source software.
Type: software
Pricing: Open Source