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vqadmin is a web based cgi program. It allows system administrators to perform actions which require root access. The cgi is authenticated using Apache style htpasswd files. Root access is required for adding and deleting domains. A user based ACL provides control over what actions can be performed, such as adding/deleting a domain. Accessing user email account information to allow modification of user passwords and quota's. Account service restrictions include enabling or disabling of pop access, authentication based smtp relay control, courier-imap access and sqwebmail access. vqadmin and qmailadmin can work together. qmailadmin can be used to allow users to administer thier own domains but not create new domains. Creation or deletion of domains is normally associated with the owner/admin's of the machine. vqadmin is for onwer/admin's or their technical support staff. Features . Add / Delete virtual email domains. . Change user passwords, quota's. . Turn off account services such as pop, imap, web email or smtp relay.

Wanderlust is a mail/news agent on Emacs/XEmacs. The features of Wanderlust are as follows: * Implementation in elisp only. * Support of IMAP4rev1, NNTP, POP(POP3/APOP) and MH format. * Integrated access to messages based on Folder Specifications like Mew. * Key bindings and mark processing like Mew. * Management of threads and unread messages. * Folder mode that displays all folder you read. * Message cache, Disconnected Operation. * MH-like FCC (FCC: %Backup is possible). * Support of MIME (by SEMI or tm). * Draft editing of mail and news as a same interface. * Icon based interface for the list of Folder (XEmacs). * Non-fetched operations for a big message part of MIME (IMAP4). * Server side search (IMAP4), also various charset support. * Virtual Folder. * Compression Folder. * Automatic expiration of old messages.

The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization. VTK consists of a C++ class library and several interpreted interface layers including Tcl/Tk, Java, and Python. Kitware, whose team created and continues to extend the toolkit, offers professional support and consulting services for VTK. VTK supports a wide variety of visualization algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation. VTK has an extensive information visualization framework, has a suite of 3D interaction widgets, supports parallel processing, and integrates with various databases on GUI toolkits such as Qt and Tk.

Scilab is a scientific software package for numerical computations in a user-friendly environment. Main features * Hundreds of mathematical functions * High level programming language * 2-D and 3-D graphics * Advanced data structures and user defined data types * Xcos: hybrid dynamic systems modeler and simulator 2-D and 3-D visualization * Lines * Pie charts * Histograms * Surfaces * Animations * Graphics export in many formats: GIF, BMP, JPEG, SVG, PDF... Numerical computation * Linear algebra * Sparse matrices * Polynomials and rational functions * Simulation: explicit and implicit systems of differential equations solvers * Classic and robust control * Differentiable and non-differentiable optimization Data analysis * Interpolation, approximation * Signal Processing * Statistics Extended features * Graphs and Networks * Interface with Fortran, C, C++, Java * Functions for calling Scilab from C, C++, Fortran and Java * LabVIEW Gateway * A large number of modules available via ATOMS

The SDPA (SemiDefinite Programming Algorithm) is a software package for solving semidefinite program (SDP). It is based on a Mehrotra-type predictor-corrector infeasible primal-dual interior-point method. The SDPA handles the standard form SDP and its dual. It is implemented in C++ language utilizing the LAPACK for matrix computation. The SDPA incorporates dynamic memory allocation and deallocation. So, the maximum size of an SDP to be solved depends on the size of memory which users' computers install. The SDPA enjoys the following features: 1. Callable library of the SDPA is available. 2. Efficient method for computing the search directions when an SDP to be solved is large scale and sparse. 3. Block diagonal matrix structure and sparse matrix structure in data matrices are available. 4. Some information on infeasibility of a semidefinite program to be solved is provided.

surf is a tool to visualize some real algebraic geometry: plane algebraic curves, algebraic surfaces and hyperplane sections of surfaces. surf is script driven and has (optionally) a nifty GUI using the Gtk widget set. The algorithms should be stable enough not to be confused by curve/surface singularities in codimension greater than one and the degree of the surface or curve. This has been achieved quite a bit. We have drawn curves of degree up to 30 and surfaces of degree up to 20 successfully. However, there are examples of curves/surfaces of lower degree where surf fails to produce perfect images. This happens especially if the equation of the curve/surface is not reduced. Best results are achieved using reduced equations. On the other hand, surf displays the Fermat-curves accurately for degree up to 98.

The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization. VTK consists of a C++ class library and several interpreted interface layers including Tcl/Tk, Java, and Python. Kitware, whose team created and continues to extend the toolkit, offers professional support and consulting services for VTK. VTK supports a wide variety of visualization algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation. VTK has an extensive information visualization framework, has a suite of 3D interaction widgets, supports parallel processing, and integrates with various databases on GUI toolkits such as Qt and Tk.

Gmerlin_avdecoder is a general purpose media decoding library. It was written as a support library for gmerlin, but it can also be used by other applications. You don't even need gmerlin installed, only gavl. Most of it was written completely from scratch, but the sourcetrees of some other great software packages were used as reference documentation. Credits go to the authors of Xine, MPlayer, quicktime4linux and ffmpeg. Gmerlin_avdecoder is one of the most complete general purpose media decoding libraries. The supported formats and codecs span a wide range of applications from consumer level (mp3, divx etc.) to high end production formats like 32 bit PCM and some professional uncompressed video codecs. Using gmerlin_avdecoder in your playback for transcoding application means rock solid media format support with an ever growing list of supported codecs and formats.

iso2mkv is software for automated DVD to XviD/vorbis MKV video conversion. Gives almost total control on the process of video compression at maximum quality, while being simple and straightforward to use (a kind of 'life-hack'). The intended audience is advanced end-users and the script is not user-error-proof. Based on mplayer, mencoder, oggenc or lame, and mkvmerge (if not properly installed, won't work). This is only a shell script that wraps the other programs. If you can watch the DVD with MPlayer, you can compress it with iso2mkv. Other used programs (hopefully included in most GNU/Linux distributions as well a FreeBSD :) ) are basename, bc, nice, stat.

libv4l is a collection of libraries which adds a thin abstraction layer on top of video4linux2 devices. The purpose of this (thin) layer is to make it easy for application writers to support a wide variety of devices without having to write separate code for different devices in the same class. libv4l consists of 3 different libraries: libv4lconvert, libv4l1 and libv4l2. libv4lconvert offers functions to convert from any (known) pixel-format to V4l2_PIX_FMT_BGR24 or V4l2_PIX_FMT_YUV420. libv4l1 offers the (deprecated) v4l1 API on top of v4l2 devices, independent of the drivers for those devices supporting v4l1 compatibility (which many v4l2 drivers do not). libv4l2 offers the v4l2 API on top of v4l2 devices, while adding for the application transparent libv4lconvert conversion where necessary.