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Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is similar to Microsoft Windows Journal or to other alternatives such as Jarnal, Gournal, and NoteLab. Xournal aims to provide superior graphical quality (subpixel resolution) and overall functionality; however it lacks the collaborative features of Jarnal. Since Xournal is still in its early development stages, it may not be fully stable, and some features have not been implemented yet. Xournal supports annotation of PDF files through the Poppler library; PDF files, much like paper styles, are loaded as an immutable background image.

Luminance HDR is an open source graphical user interface application that aims to provide a complete workflow for HDR image processing. Supported features: * Create an HDR file from a set of images (formats: JPEG, TIFF 8-bit and 16-bit, RAW) of the same scene taken at different exposure settings * Rotate, resize, and crop HDR images * Tonemap HDR images * Copy EXIF data between sets of images Supported HDR formats (with file extensions): * OpenEXR (.exr) * Radiance RGBE (.hdr) * TIFF formats: 16-bit, 32-bit (float) and LogLuv (.tiff) * PFS native format (.pfs) * Raw image formats (various) Supported LDR formats: JPEG, PNG, PPM, PBM, TIFF (8-bit).

Luminance HDR is an open source graphical user interface application that aims to provide a complete workflow for HDR image processing. Supported features: * Create an HDR file from a set of images (formats: JPEG, TIFF 8-bit and 16-bit, RAW) of the same scene taken at different exposure settings * Rotate, resize, and crop HDR images * Tonemap HDR images * Copy EXIF data between sets of images Supported HDR formats (with file extensions): * OpenEXR (.exr) * Radiance RGBE (.hdr) * TIFF formats: 16-bit, 32-bit (float) and LogLuv (.tiff) * PFS native format (.pfs) * Raw image formats (various) Supported LDR formats: JPEG, PNG, PPM, PBM, TIFF (8-bit).

LuxRender is a physically based and unbiased rendering engine. Based on state of the art algorithms, LuxRender simulates the flow of light according to physical equations, thus producing realistic images of photographic quality. Some of the main features of LuxRender are: * biased and unbiased rendering: Users can choose between physical accuracy (unbiased) and speed (biased); * full spectral rendering: Instead of the RGB colour spectrum, full spectra are used for internal calculations; * hierarchical procedural and image based texture system: Procedural and image based textures can be mixed in various ways, making it possible to create complex materials; * displacement mapping and subdivision: Based on procedural or image textures, object surfaces can be transformed; * network and co-operative rendering: Rendering time can be reduced by combining the processing power of multiple computers; * perspective (including shift lens), orthographic, and environment cameras; * HDR output: Render output can be saved in various file formats, including .png, .tga, and .exr. Fully functional exporters are available for Blender and Maya, while exporters for a growing number of 3D applications are under development.

Mapyrus is software for creating plots of points, lines, polygons and labels to PostScript (high resolution, up to A0 paper size), Portable Document Format (PDF), Scalable Vector Graphics (SVG) format and web image output formats.

MegaPOV is a collection of unofficial extensions for the freeware raytracer POV-Ray. It is maintained by a group of POV-Community members - the MegaPOV Team. Up-to-date versions and information can be obtained at the MegaPOV website:

The Mesh Viewer is an easy to use lightweight application to display triangular meshes from a variety of file formats. It uses the OpenGL API to render the models. The program was born under the need for quickly displaying reconstructed triangulated meshes. The Mesh Viewer based on an idea and an early elementary implementation from Craig Robertson. The current version was developed by Helmut Cantzler. Triangular meshes can be displayed texture mapped (optional with bilinear filtering), solid or as a skeleton (full or just the front lines). The surface normals of the triangles can be displayed optionally. Features (from a different data file) like edges and points can be displayed into the mesh. Loaded models can be rotated, translated and scaled (all done with the mouse). The model is lighted by multiple light sources. Viewpoints can be saved. Screenshots of the model can be taken (as BMP, JPEG, PNG and so on).

Mirage is a fast and simple GTK+ image viewer. - Supports png, jpg, svg, xpm, gif, bmp, tiff, and others - Cycling through multiple images (with preloading) - Slideshow and fullscreen modes - Rotating, zooming, flipping, resizing, cropping - Saving, deleting, renaming - Custom actions - Command-line access - Configurable interface

Multican is Canon EOS cameras USB remote control utility for 300D, 350D, 30D, 20D, and 5D. Multican allows scripted remote control of multiple cameras; it is possible to control up to six cameras attached at the same time. Multican communicates with camera directly, without generic library such as provided by gPhoto2, and currently has no GUI, which makes it no replacement for Canon's EOS Utility, but it can be useful nonetheless in various setups, e.g. for astrophotography.

mtPaint is a simple GTK+1/2 painting program designed for creating icons and pixel based artwork. It can edit indexed palette or 24 bit RGB images and offers basic painting and palette manipulation tools. It also has several other more powerful features such as channels, layers and animation. Due to its simplicity and lack of dependencies it runs well on GNU/Linux, Windows and older PC hardware.