GImageView is a GTK+ based image viewer. It supports tabbed browsing, thumbnail table views, directory tree views, drag and drop, reading the thumbnail cache of other famous image viewers, and a flexible user interface. It also support movies using the Xine library and MPlayer, and supports images in compressed archive formats like tar.gz, zip, and lha.
iOta (Image Organization Tool and Archiver) is a tool to manage, organize, index, archive, and Web-publish your digital photography collection. It is backed by a BerkeleyDB database. The KDE/QT based front-end is designed to be simple, yet powerful. iOta allows the user to generate, uniquely rename, and index images to an embedded database. The user can also caption and describe each image, generate thumbnails and browsable HTML indexes, archive directories of images onto CDR, and search and edit properties of each photograph in the user's collection. In addition, all this information also travels with the image itself in the thumbnail EXIF header.
Flight Navigation Planner lets you make flight plans based on known airports, navaids, fixes, or cities. You can use the sectional charts, wacs, or the vector/terrain planning charts. It calculates headings, winds, time, and fuel. It features Airways-based Auto-Routing, Climb and Descent calculations (a/c type based), Fuel Stop Planning, Auto-Route around MOAS and Restricted Airspace, Hi-Res Weather Radar Overlay, Viewing of current sectional, wac, and IFR charts, the ability to see a route over TFRs, detailed nexrad radar overlays over your routes, Terrain Profiles with cloud ceilings, and the ability to upload flight plans to GPS.
Mapnik is a toolkit for developing GIS applications. At the core is a C++ shared library providing algorithms/patterns for spatial data access and visualization. Essentially a collection of geographic objects (map, layer, datasource, feature, and geometry), the library doesn't rely on "windowing systems" and can be deployed in any server environment. It is intended to play fair in a multi-threaded environment and is aimed primarily, but not exclusively, at Web-based development. High-level Python bindings (boost.python) facilitate rapid application development, targeting zope3, django, etc.
Gnash is a Flash movie player and Web browser plugin for Firefox, Mozilla, Konqueror, and Opera. Gnash supports many SWF v7 features and ActionScript3 classes. Gnash supports the majority of Flash opcodes up to SWF version 7, and a wide sampling of ActionScript classes for SWF version 8.5. Gnash also runs on many GNU/Linux distributions, embedded GNU/Linux, FreeBSD, NetBSD, OpenBSD, non x86-processors, and 64-bit architectures. There is also a standalone player for GNOME or KDE based desktops.
view3dscene is a browser for VRML (1.0 and 2.0) and X3D, and a viewer for other 3D model formats (3DS, MD3, Wavefront OBJ, and Collada are handled). It supports viewing the scene in the "Examine" mode and walking in the virtual world with features such as collision detection and gravity. Rendering is done using OpenGL. Many advanced 3D graphic effects are available, like mirrors (flat and through cube environment mapping), shadows (shadow maps and shadow volumes), GLSL shaders and more. The program can also convert files from 3DS, MD3, Collada and other formats to X3D and pretty-print VRML and X3D files.