Puppet lets you centrally manage every important aspect of your system using a cross-platform specification language that manages all the separate elements normally aggregated in different files, like users, cron jobs, and hosts, along with obviously discrete elements like packages, services, and files.

GNAT is a compiler for the Ada programming language. It produces optimized code on platforms supported by the GNU Compiler Collection (GCC).

Control a wide range of LED devices via Bluetooth Low Energy (BLE). Supports multiple BLE LED devices, offering features like device discovery, direct control over device settings, and integration with various BLE standards and protocols. It's designed for developers looking to integrate LED control functionality into applications or home automation systems.

KWin (pronounced as one syllable "kwin") is the window manager for the KDE Plasma Desktop. It gives you complete control over your windows, making sure they're not in the way but aid you in your task. It paints the window decoration, the bar on top of every window with (configurable) buttons like close, maximize and minimize. It also handles placing of windows and switching between them.

VP8 and VP9 are open video codecs, originally developed by On2 and released as open source by Google Inc. They are the successor of the VP3 codec, on which the Theora codec was based.

The 1-Wire bus is a cheap low-speed bus for devices like weather sensors, access control, etc. It can be attached to your system via serial, USB, I2C, and other interfaces.