Snapcraft
Snapcraft is a command-line tool and framework for building, packaging, and distributing software as universal Linux packages called snaps. It simplifies the process of creating self-contained applications that run across many Linux distributions, handling dependencies and updates automatically. Snaps are containerized, secure, and can be published to the Snap Store for easy distribution.
Developers should learn Snapcraft when they need to distribute Linux applications that work consistently across different distributions like Ubuntu, Fedora, and Debian without worrying about dependency conflicts. It's particularly useful for desktop applications, IoT devices, and cloud tools where cross-distro compatibility and automatic updates are critical, as it reduces packaging overhead and ensures a reliable user experience.