A graphical user interface, or GUI, is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation. In many applications, GUIs are used instead of text-based UIs, which are based on typed command labels or text navigation. GUIs were introduced in reaction to the perceived steep learning curve of command-line interfaces (CLIs), which require commands to be typed on a computer keyboard.
Adobe Flash was, except in China, a multimedia software platform used for production of animations, rich internet applications, desktop applications, mobile apps, mobile games, and embedded web browser video players.
In digital imaging, a pixel, pel, or picture element is the smallest addressable element in a raster image, or the smallest addressable element in a dot matrix display device. In most digital display devices, pixels are the smallest element that can be manipulated through software.
Vorbis is a free and open-source software project headed by the Xiph.Org Foundation. The project produces an audio coding format and software reference encoder/decoder (codec) for lossy audio compression, libvorbis. Vorbis is most commonly used in conjunction with the Ogg container format and it is therefore often referred to as Ogg Vorbis.
zlib is a software library used for data compression as well as a data format. zlib was written by Jean-loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. zlib is also a crucial component of many software platforms, including Linux, macOS, and iOS. It has also been used in gaming consoles such as the PlayStation 4, PlayStation 3, Wii U, Wii, Xbox One and Xbox 360.
Yellow Dog Linux (YDL) is a discontinued free and open-source operating system for high-performance computing on multi-core processor computer architectures, focusing on GPU systems and computers using the POWER7 processor. The original developer was Terra Soft Solutions, which was acquired by Fixstars in October 2008. Yellow Dog Linux was first released in the spring of 1999 for Apple Macintosh PowerPC-based computers. The most recent version, Yellow Dog Linux 7, was released on August 6, 2012. Yellow Dog Linux lent its name to the popular YUM Linux software updater, derived from YDL's YUP and thus called Yellowdog Updater, Modified.
The Portable Sound Format (PSF) is a music file format ripped directly from video games from a variety of video game consoles. The format was originally used for PlayStation video games, but has since been adapted to support other systems.
Frozen Bubble is a free software clone of Puzzle Bobble for a variety of home and mobile systems.
Cube is a free and open-source first-person shooter video game. It often is mistaken with its engine (zlib-licensed), the Cube Engine. The engine and game were developed by Wouter van Oortmerssen.
The Freebox is an ADSL-VDSL-FTTH modem and a set-top box that the French Internet service provider named Free provides to its DSL-FTTH subscribers.
Abuse is a run and gun video game developed by Crack dot Com and published by Electronic Arts in North America and Origin Systems in Europe. It was released on February 29, 1996 for MS-DOS. A Mac OS port of the game was published by Bungie and released on March 5, 1997. The game's source code, along with some of the shareware content, has been in the public domain since the late 1990s and has been ported to Linux and many other platforms.
Flash Video is a container file format used to deliver digital video content over the Internet using Adobe Flash Player version 6 and newer. Flash Video content may also be embedded within SWF files. There are two different Flash Video file formats: FLV and F4V. The audio and video data within FLV files are encoded in the same way as SWF files. The F4V file format is based on the ISO base media file format, starting with Flash Player 9 update 3. Both formats are supported in Adobe Flash Player and developed by Adobe Systems. FLV was originally developed by Macromedia. In the early 2000s, Flash Video was the de facto standard for web-based streaming video. Users include Hulu, VEVO, Yahoo! Video, metacafe, Reuters.com, and many other news providers.
OpenArena is a free and open-source video game. It is a first-person shooter, and a fork of Quake III Arena.
Purble Place is a suite of three educational computer games developed by Oberon Media that was included with all versions of Windows Vista and Windows 7.
Battle Isle is a series of turn-based strategy/tactics video games developed in the 1990s by Blue Byte and released for Amiga and MS-DOS and later for Microsoft Windows. The settings are wars on a fictional planet, Chromos.
Tower defense (TD) is a subgenre of strategy games where the goal is to defend a player's territories or possessions by obstructing the enemy attackers or by stopping enemies from reaching the exits, usually achieved by placing defensive structures on or along their path of attack. This typically means building a variety of different structures that serve to automatically block, impede, attack or destroy enemies. Tower defense is seen as a subgenre of real-time strategy video games, due to its real-time origins, even though many modern tower defense games include aspects of turn-based strategy. Strategic choice and positioning of defensive elements is an essential strategy of the genre.
TripleA is a free and open-source turn based strategy game based on the Axis & Allies board game.
Simple and Fast Multimedia Library (SFML) is a cross-platform software development library designed to provide a simple application programming interface (API) to various multimedia components in computers. It is written in C++ with bindings available for Ada, C, Crystal, D, Euphoria, Go, Java, Julia, .NET, Nim, OCaml, Python, Ruby, and Rust. Experimental mobile ports were made available for Android and iOS with the release of SFML 2.2.
LÖVE is a free, open-source, cross-platform framework released under the zlib license for developing video games. The framework is written in C++ and uses Lua as its scripting language and is still maintained by its original developers. The framework is cross-platform supporting the platforms Microsoft Windows, macOS, Linux, Android, and iOS.
A roguelike deck-building game is a hybrid genre of video games that combines the nature of deck-building card games with procedural-generated randomness from roguelike games.
