Graphics

Inkscape Inkscape is an Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format. Supported SVG features include shapes, paths, text, markers, clones, alpha blending, transforms, gradients, patterns, and grouping. Inkscape also supports Creative Commons meta-data, node editing, layers, complex path operations, bitmap tracing, text-on-path, flowed text, direct XML editing, and more. It imports formats such as JPEG, PNG, TIFF, and others and exports PNG as well as multiple vector-based formats

GIMP GIMP can be used to process digital graphics and photographs. Typical uses include creating graphics and logos, resizing and cropping photos, changing colors, combining images using a layer paradigm, removing unwanted image features, and converting between different image formats. GIMP can also be used to create animated images using an improved layers method. The full capabilities of the GIMP extend much further, however, and include advanced image editing, manipulation, and professional graphics creation. It is often used as a free software replacement for Adobe Photoshop, which is the dominant bitmap editor in the printing and graphics industries.
K3D K-3D features a robust plugin architecture and visualization pipeline, designed to scale to the needs of professional artists. K-3D has been written from the ground up to generate motion picture quality animation using RenderMan render engines. We strongly recommend the Aqsis render engine for use with K-3D
Blender Blender is an open source software 3D animation program. It can be used for modelling, uv unwrapping, texturing, rigging, skinning, animating, rendering, particle and other simulating, non-linear editing, compositing, and creating interactive 3D applications. -- Blender has a robust feature set similar in scope and depth to other high-end 3D software such as Softimage|XSI, Cinema 4D, 3ds Max and Maya. These features include advanced simulation tools such as rigid body dynamics, fluid dynamics, and softbody dynamics, modifier based modeling tools, powerful character animation tools, a node based material and compositing system and an embedded scripting engine based on Python.
Audio-Video
VLC VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols.
Strategic games
Lincity LinCity-NG is a City Simulation Game. Idea is similar to SimCity.
FreeCiv Freeciv is a free turn-based multiplayer strategy game, in which each player becomes the leader of a civilization, fighting to obtain the ultimate goal: To become the greatest civilization.
For Children
Variuos
Free internet resources
OpenClipart
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