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The Seam Carving GUI is a GUI front end to CAIR, which is an implementation of Arial Shamir's seam carving algorithm (aka content aware image resizing, aka image retargeting).

The GNU plotutils package contains plotting software for both programmers and technical users. Its centerpiece is libplot, a powerful C/C++ function library for exporting 2-D vector graphics in many file formats, both vector and raster. It can also do vector graphics animations.

png2html takes a PNG image and transforms it into a Web page with the use of a text file.

Converts PNG files to Windows icon resource files.

pngcheck verifies the integrity of PNG, JNG and MNG files (by checking the internal 32-bit CRCs [checksums] and decompressing the image data); it can optionally dump almost all of the chunk-level information in the image in human-readable form. For example, it can be used to print the basic statistics about an image (dimensions, bit depth, etc.); to list the color and transparency info in its palette (assuming it has one); or to extract the embedded text annotations. This is a command-line program with batch capabilities. pngsplit - break a PNG, MNG or JNG image into constituent chunks (numbered for easy reassembly) png-fix-IDAT-windowsize - fix minor zlib-header breakage caused by older libpng

Jpegoptim is an utility to optimize jpeg files. Provides: * lossless optimization * lossy optimization based on setting maximum quality factor * selective strip of comments and Exif markers

EditObj can create and display a Tkinter dialog box for editing any Python object (similarly to what Java call a Bean editor, but for Python object). EditObj is a usefull tool for writing (text or non-text) editors of all kinds, including GUI editor, 3D editor,... It also includes a Python console (thanks to Ka-Ping Yee).

OpenEXR is an image format developed by ILM. Its main innovation is support for high dynamic range; it supports floating point pixels. This Python module provides bindings for the OpenEXR C++ libraries. They allow you to read and write OpenEXR files from Python.

Soya 3D is a very high level 3D engine for Python. Soya aims at being to 3D what Python is to programming : fast to learn, easy to use, while keeping good performances Soya is Free Software, under the GNU GPL.

The PagedGeometry engine is an add-on to Ogre which provides highly optimized methods for rendering massive amounts of small meshes, covering a possibly infinite area. This is especially well suited for dense forests and outdoor scenes, with millions of trees, bushes, grass, rocks, etc.