Gestures is an object that can recognize user gestures that form configurable shapes. It can listen to events of the user moving the mouse forming known gesture shapes. The object can recognize custom gesture shapes defined by a list of vertex points of the shape. A given callback function is invoked when the object recognizes a known user gesture shape. The object can also draw the gesture shape as the user moves the mouse.
Lightning effect JS is an object that can draw a random lightning bolt on the page. It can create a canvas on which a glowing random line similar to lightning bolt is drawn within given page boundaries. The position, color, and thickness of the lightning bolt are configurable parameters.
giflib is a library for rendering and generating GIF image files. This is the GIF service code in C used for over two decades by graphics applications, Web browsers, game consoles, ATMs, and pretty much anything else that throws pixels on a display. It is simple, stable, and bulletproof.
The ServerUsage system collects and processes statistical information from computers running a GNU/Linux Operating System. It is composed of two subprojects, the ServerUsage-Client to collect usage statistics (via a SystemTap module) and send them to a remote server via TCP, and the ServerUsage-Server to collect all statistics from different clients and aggregate them in a SQlite database table. A PHP Web service is available on the server module to extract information or display graphics.
Calligra is an integrated suite of applications that cover office, creative, and management needs. It offers applications on both desktop computers and mobile platforms like tablets and smartphones. OpenDocument Format (ODF) is used, making it compatible with OpenOffice.org, LibreOffice, and Microsoft Office. Calligra Suite contains the following applications: Calligra Words (word processor), Sheets (spreadsheets), Stage (presentations), Flow (diagrams and flowcharts), Kexi (visual database creator), Braindump (note taking), Plan (project management), Krita (drawing), and Karbon (vector graphics).
Isoworld can render 3D isometric cubes from three page elements. It takes the identifiers of three page elements and adjusts their CSS transform properties so they form the faces of a cube which appears in the page with the 3D isometric perspective. It can also use a fourth element to be displayed as the shadow of the cube on top of another element which appears as the ground.