7-Zip
7-Zip is a free and open-source file archiver and compression tool that supports a wide range of formats, including its own 7z format with high compression ratios. It provides a command-line interface and a graphical user interface for Windows, with ports available for other operating systems. The tool is widely used for creating, extracting, and managing compressed archives to reduce file sizes for storage or transmission.
Developers should learn 7-Zip for efficient file compression and archiving tasks, such as bundling project files, distributing software, or managing backups with minimal storage usage. It is particularly valuable in environments where high compression ratios are needed, like when transferring large datasets over networks or storing logs, and its open-source nature allows integration into automated scripts and workflows.