Color wheels are useful in many situations and building one in Groovy is a great exercise to learn both how the wheel works and the, well, grooviness of Groovy.
The Midnight Commander file manager exists in a Linux terminal, but it feels like a modern keyboard-driven application with intuitive actions and easy navigation.
Product security incident response teams require a unique set of tools for the discovery and remediation of a vulnerability or security defect. Open source is the solution.
