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Top : Software : Scientific : Processing and Visualization

Curious about Linux? Try Linux Desktop on the Cloud
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Alpine is a fast, easy to use mail client that is suitable for both novices and experienced users. It is the latest version of Pine, developed by the same team but renamed to avoid trademark issues. Read more


  • Extcalc
    Extcalc is a multifunctional scientific graphic calculator with features like graph drawing, graph analysation and calculating scientific functions including differentiation, integration and logic functions. Read more hot
  • R
    R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. There are some important differences, but much code written for S runs unaltered under R. Read more hot
  • Rattle
    Rattle (the R Analytic Tool To Learn Easily) provides a Gnome based open source interface to R functionality for binary classification tasks and data mining. It is also available as a product within Information Builders' business intelligence suite known as RStat. Read more hot
  • RStudio
    RStudio is an integrated development environment (IDE) for R. RStudio combines an intuitive user interface with powerful coding tools to help you get the most out of R. It includes a console, syntax-highlighting editor that supports direct code execution, as well as tools for plotting, history, and workspace management. Read more hot
  • SPSS
    (commercial) SPSS is a modular, tightly integrated, full-featured product line for the analytical process, planning, data collection, data access and management, analysis, reporting and deployment. Read more hot
  • Aipsview
    Aipsview is a tool for two-dimensional visualization and relies on Motif and Xlib for its user interface and drawing capabilities.
    (commercial) AMIRA is an advanced visualization and 3D reconstruction software. It supports many standard file formats including ACR-NEMA/DICOM, TIFF, PPM, JPEG, binary raw data, VRML, PLY, Fluent/UNS, AVS. Other features include: Visualization of 3D image data such as CT, MR, confocal & microscopy, automatic & interactive segmentation of this data, and generation of 3D surface models and 3D tetrahedral models.
  • AnimaBob
    AnimaBob is an interactive volume rendering tool for generating movies.
  • Antiprism
    Antiprism is a set of programs for generating, manipulating, transforming and visualising polyhedra.
  • AVS5
    (commercial) Advanced Visual Systems' original data visualization programming environment for end-users. It enables users to analyze, manipulate and display large volumes of complex data, including 2D and 3D images, 3D graphics and multidimensional numeric data
  • BioSchematics
    BioSchematics is a L-System interpreter and drawing tool released under the GPL license.
  • cavor
    CAVOR is an engine for building apps that involve both graphic and text/numeric data. Primarily GIS is the initial focus, but consider also CAD, CASE, project management (eg PERT charts), and others. Built-in scripting, C API, also supports Tcl and Java.
  • CDAT
    Climate Data Analysis Tools (CDAT) is a software infrastructure that uses an object-oriented scripting language to link together separate software subsystems and packages thus forming an integrated environment for solving model diagnosis problems. The power of the system comes from Python and its ability to seamlessly interconnect software. Python provides a general purpose and full-featured scripting language with a variety of user interfaces including command-line interaction, stand-alone scripts (applications) and graphical user interfaces (GUI).
  • ChomboVis
    ChomboVis is for the visualization of 2D and 3D AMR data sets. It is layered on top of the Visualization Toolkit (VTK) and provides a graphical and programmable user interface for interacting with the data set.
  • Cn3D
    Cn3D is a helper application for your web browser that allows you to view 3-dimensional structures from NCBI's Entrez retrieval service. Cn3D runs on Windows, Macintosh, and Unix. Cn3D simultaneously displays structure, sequence, and alignment, and now has powerful annotation and alignment editing features.
  • corplot
    Corplot aims at processing open corrosion potential (OCP) and potentiodynamic scan (PDS) corrosion experiments. Use it to plot Tafel plots and fit the branches to determine the corrosion current.
  • cptutils
    The cptutils package consists a number of utilities for the manipulation of color gradients; mainly for translating between different formats. Formats supported include ggr (GIMP gradient), cpt (GMT color palette table), avl (Arcview Legend), lut (xmedcon), svg, and version 3 of the grd format.
  • csp
    csp is a commandline tool to convert and plot a Perkin Elmer sp3 spectra file. SP3 are binary spectra files from a LS50B Spectrofluorometer.
  • CSPLib
    CSPLib is a library of test problems for constraint solvers. The library consists of: problems organised by subject area and problem number, and guidelines for submitting new problems.
  • CUViewer
    CUViewer is a visualization tool for 3D objects created out of simple primitives. The objects are output by another program that writes in the native file format of this program. The intent is for simulation data viewing.
  • CVIPtools
    CVIPtools is a collection of computer imaging tools providing services to the users at three layers. At the bottom level are the CVIPtools libraries (the application programming interface). Based on the CVIPtools libraries are the cviptcl and cvipwish shells. The cviptcl shell is an extension of Tcl with additional CVIP capabilities. With cviptcl, the user can either use the command line for interactive image processing, or write cviptcl shell scripts for batch processing. The cvipwish shell is the extension of cviptcl with the added functionality for building a graphical user interface (GUI). On the top of CVIPtools is the CVIPtools GUI (see screen snapshots) which allows even the casual computer users to experiment with many of the sophisticated tools available to computer imaging specialists without the need for any knowledge of computer programming.
  • Dataplot
    Dataplot is a free, public-domain, multi-platform (Unix, Linux, PC-DOS, Windows NT, etc.) software system for scientific visualization, statistical analysis, and non-linear modeling.
  • Deducer
    Deducer is designed to be a free easy to use alternative to proprietary data analysis software such as SPSS, JMP, and Minitab. It has a menu system to do common data manipulation and analysis tasks, and an excel-like spreadsheet in which to view and edit data frames. Read more
  • DEVise
    Data Exploration and Visualization: a data exploration system that allows users to easily develop, browse, and share visual presentations of large tabular datasets (possibly containing or referencing multimedia objects) from several sources
  • DINO
    DINO is a realtime 3D visualization program for structural biology data, running under the X-windows system and using the powerful OpenGL library. DINO aims to visualize all this structural data in a single program and to allow the user to explore relationships between the data. Supported architectures are Linux (i386), MacOSX, IRIX, OSF1 and SunOS. Freely available binaries.
  • EnSight
    (commercial) EnSight is used by organizations worldwide for analyzing, visualizing and communicating computer-aided engineering and scientific research results.
  • ePiX
    ePiX is a collection of command line utilities for *nix, creates mathematically accurate figures, plots, and movies using easy-to-learn syntax. The output is expressly designed for use with LaTeX.
  • extrema
    Extrema, originally developed in the fields of nuclear and particle physics, is a powerful visualization and data analysis tool that enables researchers to quickly distill their large, complex data sets into meaningful information.
  • Ferret
    Ferret is an interactive computer visualization and analysis environment designed to meet the needs of oceanographers and meteorologists analyzing large and complex gridded data sets.
  • Fityk
    Fityk is a general-purpose data fitting program. Although it is being developed to analyze powder diffraction patterns, it can be used to fit analytical functions to any kind of data: crystallographic module is an independent part of the program.
  • FlexIO
    FlexIO is a compact API for storing multidimensional scientific data. It hides the differences between underlying file formats including HDF-SDS, IEEEIO, and network socket connections. (Support for HDF5 will be added soon). It is designed to allow you to use exactly the same subroutine/method calls to store your data regardless of the underlying file format.
  • Floatator
    Floatator is an interactive fluid dynamics simulation running on Linux. The simulation and the visualisation are 2D.
  • Flounder
    Flounder is a quick way to visualize regularly spaced 4D data, i.e., a data set that is a function of x, y, z, and time.
  • fnord
    fnord is a mathematical visualization system. Basically it provides a purely-functional, collection-oriented language with symbolic differentiation and optimization.
    FTOOLS is a General Package of Software to Manipulate FITS Files.
  • fv
    fv is a software tool for viewing and editing any FITS format image or table. Fv has a graphical user interface written using Incr Tcl/Tk.
  • Gdis
    Gdis is a GTK based program for the display of molecules. It has support for several file types (BIOSYM, XYZ, XTL, MARVIN restart, and GULP), features a simple molecular creation and manipulation tool and a dialogue for creating starting configurations for molecular dynamics simulations.
  • gdpc
    gdpc is for visualising molecular dynamic simulations. It reads xyz input and custom formats and can write out pictures of the frames.
  • GenomePixelizer
    GenomePixelizer is designed to help in visualizing the relationships between duplicated genes in genome(s) and to follow relationships between members of gene clusters.
  • Genplot
    (commercial) Genplot is a graphical data analysis and plotting package for scientists and engineers.
  • GeomSpace
    GeomSpace is a browser for geometric space. You can build your own universe of any dimension and with any geometry.
  • Gerbil
    Gerbil consists of an interactive visualization tool targeted at multispectral and hyperspectral image data, and a toolbox of common algorithms, e.g. for segmentation.
  • GGobi
    GGobi is a data visualization system for viewing high-dimensional data and is the next edition of xgobi. It provides a new interface to many of the features of xgobi, built using Gtk, the GIMP toolkit.
  • GLgraph
    GLgraph visualizes mathematical functions. It can handle 3 unknowns (x,z,t) and can produce a 4D function with 3 space and 1 time dimension.
  • Glove
    Glove is a data acquisition, manipulation, and analysis program for X-Windows. It provides an interface to data acquisition systems, sophisticated (and correct) statistical analysis, a flexible plotting tool, and the ability to easily manipulate the data. Its modular design allows for custom data acquisition, manipulation, and analysis programs written in any language to be used from within the GUI.
  • glstarview
    glstarview is a 3D visualization tool for viewing scattering experiments, licensed under the GNU GPL. "glstarview" can be used to zoom in on, rotate, pause, and generally explore scattering experiments as they are happening
  • Gmsh
    Gmsh is a three-dimensional finite element mesh generator with built-in pre- and post-processing facilities.
  • GMV
    GMV is an easy to use, 3-D scientific visualization tool designed to view simulation data from any type of structured or unstructured mesh.
  • Gnome Flow
    Gnome Flow is a program written to calculate and visualize simple steady state fluid flows. It uses the relaxation method, and can calculate flows past symmetric objects. Steady state means, that it calculates the flow at a given time, and that the physical parameters are constant in time.
  • GPX Viewer
    GPX Viewer is a simple program to visualize a GPX file. It uses libchamplain and cairo for the plot. It can show multiple GPX files, show waypoints and multiple tracks per GPX file, highlight a selected track, show a speed vs. time graph, and show distance, duration, average, moving average, max speed, moving time, and GPS points.
  • Grace
    Grace is a WYSIWYG 2D plotting tool for X Window System and OSF Motif which is a descendant of ACE/gr, also known as Xmgr.
  • GraceTMPL
    GraceTMPL is a set of C++ classes which allow data to be saved as Grace files, optionally using a template. It is specifically designed to automate massive data plotting tasks with Grace.
  • GraphThing
    GraphThing is a tool that allows you to create, manipulate and study graphs. Note that these "graphs" are mathematical objects .
  • Gri
    Gri is an extensible plotting language for producing scientific graphs, such as x-y plots, contour plots, and image plots.
  • GTKWave
    GTKWave is VCD/EVCD/LXT/Synopsis .out format electronic waveform viewer built using the GTK+ toolkit.
  • GXSM
    GXSM is a powerful graphical interface for any kind of 2D data aquisitation method, especially desined for SPM and SPA-LEED, which are used in surface science. It includes methods for 2D data (of various types: byte, short, long, double) viewing and manipulation.
  • HDFLook
    HDFLook is a comprehensive application for viewing NCSA HDF v.4.x and HDFEOS 2.x science datasets.
  • Histo-Scope
    Histo-Scope is a tool to select and display histograms, n-tuples, and scalar values from a program as data is being created or analyzed.
    IFRIT is a powerful tool that can be used to visualize 3-dimensional data sets. IFRIT is written in C++ and is based on two state-of-the-art toolkits: the Visualization ToolKit (VTK) and a GUI toolkit QT. VTK is a public domain software, and QT has an open source version for Unix machines.
  • ImageVis3D
    ImageVis3D is a volume rendering program developed by the NIH/NCRR Center for Integrative Biomedical Computing (CIBC). The main design goals of ImageVis3D are: simplicity, scalability, and interactivity.
  • IVuPy
    IVuPy (I-View-Py) aims to be a solid basis for large Qt based Python programs geared to 3D visualization and data analysis of huge data sets. Python is extended by IVuPy with more than 600 classes of two of the Coin3D C++ class libraries: Coin and SoQt.
  • K3DSurf
    K3DSurf is a program to visualize and manipulate multidimensional surfaces by using mathematical equations. It's also a "Modeler" for POV-Ray in the area of parametric surfaces. Read more
  • KAlgebra
    KAlgebra is a fully featured calculator that lets you plot different types of 2D and 3D functions and to calculate easy (and not so easy) calculations, such as addition, trigonometric functions or derivatives.
  • kmplot
    kmplot is a basic mathematical function plotter for the KDE Desktop that supports functions with parameters and functions in polar coordinates.
  • Knot
    Knot is a 3D Celtic Knot generation and rendering application for exploring different types of randomly generated knots.
  • kpl
    kpl is a KDE program for two-dimensional graphical presentation of data sets and functions (plotter).
  • Kst
    Kst is a fast real-time large-dataset viewing and plotting tool with built-in data analysis functionality. It contains many powerful built-in features and is expandable with plugins and extensions.
    KUPLOT is an universal potting program for 2D and 3D data sets on X11 and TEK4014 screens. The program is controlled by a command language with an integrated FORTRAN style interpreter to give maximum flexibility.
  • LDM
    The Unidata Local Data Manager (LDM) is a collection of cooperating programs that select, capture, manage, and distribute arbitrary data products. The system is designed for event-driven data distribution, and is currently used in the Unidata Internet Data Distribution (IDD) project. The LDM system includes network client and server programs and their shared protocols. An important characteristic of the LDM is its support for flexible, site-specific configuration.
  • LidarViewer
    LiDAR Viewer is an application for visualizing and measuring 3D point cloud data, such as that collected via terrestrial or airborne LiDAR surveys. The software was developed to enable analysis of multi-billion-point lidar data sets without requiring binning, sub-sampling, decimation, or digital surface modeling.
  • LinkWinds
    LinkWinds is a visual data exploration system resulting from a program of research into the application of computer graphics to rapidly and interactively accessing, displaying, exploring and analyzing large multivariate multidisciplinary data sets. LinkWinds applies a unique data-linking paradigm resulting in a system which functions much like a graphical spreadsheet. It is not only a powerful method for organizing large amounts of data for analysis, but provides a highly intuitive, easy-to-learn, easy-to-retain user interface on top of the traditional graphical user interface.
  • linSmith
    linSmith is a Smith charting program. Users can enter either discrete components or transmission lines, see the results on screen, and/or generate Postscript output.
  • littler
    littler provides the r program, a simplified command-line interface for GNU R. This allows direct execution of commands, use in piping where the output of one program supplies the input of the next, as well as adding the ability for writing hash-bang scripts, i.e. creating executable files starting with, say, #!/usr/bin/r.
  • MathMod
    MathMod is mathematical software for visualizing and animating parametric and implicit surfaces. It is an extension/rewrite of the K3DSurf project. It supports 3D/4D plotting and animation, a scripting language compatible with JSON, with a large set of scripted examples, and an OBJ output file of the 3D mesh.
  • MayaVi
    MayaVi is a free, cross platform, easy to use scientific data visualizer. It provides a GUI to ease the visualization process, is written in Python and uses the Visualization Toolkit (VTK) for the graphics.
  • McIDAS
    The Man computer Interactive Data Access System (McIDAS) is a large, research quality suite of applications used for decoding, analyzing, and displaying meteorological data for research and education
  • McIDAS-Lite
    McIDAS-Lite is a free image viewer that provides a simple tool for working with image files that are in McIDAS area or MODIS HDF format. It can be used with data on the user's computer or remote data from public data sources.
  • McStas
    McStas is a general tool for simulating neutron scattering instruments and experiments. It is actively supported by Risų DTU, NBI KU, PSI and ILL. Read more
  • Mercury
    Mercury offers a comprehensive range of tools for structure visualisation and the exploration of crystal packing.
  • Mesh Viewer
    The Mesh Viewer is an easy to use lightweight application to display triangular meshes from a variety of file formats (see 3D formats). It uses the OpenGL API to render the models. The program was born under the need for quickly displaying reconstructed triangulated meshes.
  • MeshTV
    MeshTV is an interactive graphical analysis tool for visualizing and analyzing data on two- and three-dimensional (2D, 3D) meshes. It is a general purpose tool that handles many different mesh types, provides different ways of viewing the data, and is virtually hardware/vendor independent while still providing graphics at the speed of the native graphics hardware.
  • Mgraph
    Mgraph is a 2-dimensional easy to use graphic software allowing a fast visualization of scientific data presented in the form of ASCII files for the traditional curves, and in the form of binary files for data surfaces. The interface was developed under Motif and can be used either interactively, or using command files.
  • MMap+
    MMap+ is a GTK2 map viewer. It supports Blue Marble, Land Sat 7, Watchizu, SRTM. You can show a part of World Wind data with OpenGL 3D graphics.
  • ModelFree
    ModelFree is a program for optimizing "Lipari-Szabo model free" parameters to heteronuclear relaxation data.
  • Moldy
    Moldy is a general-purpose molecular dynamics simulation program. It is sufficiently flexible that it ought to be useful for a wide range of simulation calculations of atomic, ionic and molecular systems.
  • MolScript
    MolScript is a program for displaying molecular 3D structures, such as proteins, in both schematic and detailed representations.
  • MOMHVis
    MOMHVis is a program for displaying nondominated solution of MOMH problems in 3D space using OpenGL. Features include: pluginable architecture, implemented MOKP (Multiple Objective Knapsack Problem) and MOSCP (Multiple Objective Set Covering Problem) plugis, enumeration of implemented MO algorithms by plugin, and enumeration of implemented MO algorithms by plugin.
  • MuGeN
    MuGeN is a software package for the visual exploration of multiple annotated genome portions. It is capable of simultaneously displaying genome portions loaded from various sources both local and remote and mix these with analysis result plots. It can also be used to generate images of these displays in a wide range of formats (PNG, PostScript, IMAP, XFig).
  • NCAR Graphics
    (commercial) NCAR Graphics, a time-tested UNIX package, consists mainly of over two dozen Fortran/C utilities for drawing contours, maps, vectors, streamlines, weather maps, surfaces, histograms, X/Y plots, annotations, and more.
  • ncview
    ncview is software to get a quick and easy viewer for NetCDF files. With this application, you can view simple movies of the data, view along various dimensions, take a look at the actual data values, change color maps, invert the data and other simple visual operations. Read more
  • NetCDF
    NetCDF (network Common Data Form) is an interface for array-oriented data access and a library that provides an implementation of the interface. The netCDF library also defines a machine-independent format for representing scientific data. Together, the interface, library, and format support the creation, access, and sharing of scientific data.
  • Nodplot
    Nodplot is a scientific data plotting software for 3D structured meshes, developped to visualize 3D CFD.
  • NPlot
    NPlot is a tool for quickly plotting columnar data from text files. It is a simple re-packaging of the Histo-Scope n-tuple interface with a file reader.
  • octaviz
    Octaviz is a visualization system for Octave. It is a wrapper that makes all VTK classes accessible from within Octave using the same object-oriented syntax as in C++ or Python. Octaviz also provides high-level functions for 2D and 3D visualization. Using those functions, most common visualization tasks (3D surface plots, contour plots, meshes etc) can be accomplished without any knowledge about VTK.
  • OpenDX
    Open Visualization Data Explorer is a visualization framework that gives users the ability to apply advanced visualization and analysis techniques to their data. These techniques can be applied to help users gain new insights into data from applications in a wide variety of fields including science, engineering, medicine and business. Data Explorer provides a full set of tools for manipulating, transforming, processing, realizing, rendering and animating data and allow for visualization and analysis methods based on points, lines, areas, volumes, images or geometric primitives in any combination.
  • OpenScientist
    OpenScientist is an integration of open source products working together to do scientific visualization and data analysis ; in particular for high energy physics (HEP).
  • OpenViz
    (commercial) OpenViz is a sophisticated business visualization technology for integration into Decision Support Systems applications for Independent Software Vendors and IT organizations.
  • Orbdraw
    (commercial) Orbdraw is a visualization program for displaying molecular orbital and electron density data from Gaussian, Gamess, Jaguar, Hondo, Mopac or Ampac calculations. Orbdraw can display the molecular orbitals, electron densities or spin densities in 3D as either wire frames or solid surfaces and can map orbitals or charges onto the density surfaces.
  • ParaView
    ParaView is a scientific visualization application designed with the need to visualize large data sets in mind. The goals of the ParaView project are to develop an open source, multi-platform visualization application, support distributed computation models to process large data sets, create an open, flexible, and intuitive user interface, and develop an extensible architecture based on open standards. ParaView runs on distributed and shared memory parallel as well as single processor systems and has been succesfully tested on Windows, Linux, and various Unix workstations and clusters.
  • pdnmesh
    pdnmesh is an automatic mesh generator and solver for Finite Element problems. It will also do post-processing to generate contour plots and Postscript printouts. GUI support using GTK is available.
  • peakster
    peakster offers real-time data visualization. It is a GUI written entirely in Python, which monitors data at regular intervals and uses gnuplot to plot the data. 2D, 3D and superimposed plots are supported, and data "snapshots" can be saved in a wide variety of formats (PostScript, Encapsulated PostScript, GIF, JPEG, ...) for future reference.
  • Peklo
    Peklo is a graph editor and an environment for visualizing and comparing different algorithms for some graph-theoretic problems, e.g. flows, shortest path, minimum spanning tree.
  • PhyloGrapher
    PhyloGrapher is a program designed to visualize and study evolutionary relationships within families of homologous genes or proteins (elements). PhyloGrapher is a drawing tool that generates custom graphs for a given set of elements. In general, it is possible to use PhyloGrapher to visualize any type of relations between elements.
  • Plotmeister
    Plotmeister is a frontend for plotting utilities (gnuplot) that enables users to explore data sets. The user interface allows the interactive selection of axes and lines. Plotmeister comes with tools to transform ASCII data into a plotmeister format.
  • plotmtv
    The application plotmtv is a fast multi-purpose plotting program for visualization of scientific data in an X11-window environment. Each plot comes with a simple but functional Graphical User Interface which allows users to zoom in or pan to areas of interest on the plot or to toggle between 2D and 3D plots.
  • PM3D
    PM3D transforms 3d data to gray(scale) maps and newly to colours maps too! Output is postscript file.
    (commercial) PV-WAVE is a family of development solutions that allow you to rapidly import, manipulate, analyze and visualize your data. Unlike other products, PV-WAVE includes a sophisticated set of analysis routines based upon the IMSL Libraries.
  • pyglplot
    pyglplot is an interactive 3D plotting and visualization tool written as a Python module that uses OpenGL and the GIMP Toolkit (GTK+).
  • PyMood
    (commercial) PyMood is a desktop application for visualizing genomic data. PyMood allows viewing of the relationship between genes from multiple sources. It sorts the genes (or proteins) in a 2D or 3D space according to their identity scores. For visual data presentation PyMood uses the three primary colors to represent a dataset in a 2D or 3D environment.
  • PyParticles
    PyParticles is a particle simulation toolbox entirely written in Python. It simulates a particle-by-particle model with the most popular integrations methods, including Euler, Runge Kutta, and Midpoint.
  • Python Mesh Viewer
    Python Mesh Viewer is a very basic tool to display and play with 3D models. You can either construct them in the code (by defining points, triangles, and quads) or load them from a file. Currently, the only file format supported is the ".mesh" format from the closed source software medit.
  • PyX
    PyX is a Python package for the creation of encapsulated PostScript figures. It provides both an abstraction of PostScript and a TeX/LaTeX interface. Complex tasks like 2d and 3d plots in publication-ready quality are built out of these primitives.
  • QMol
    QMol is for viewing molecular structures and animating molecular trajectories.
  • QtDSO
    QtDSO is a frontend for the Velleman PCS64i digital oscilloscope. It provides a fully featured oscillocope mode (including XY plot and math) and a highly configurable spectrum analyzer mode. It has been tested with the Velleman scope.
  • R Commander
    R commander is free statistical software. R commander was developed as an easy to use graphical user interface (GUI) for R (freeware statistical programming language). Read more
  • RDV
    RDV is a visualization environment for scientific and engineering data. Built on top of the Data Turbine dynamic data server, it supports local and remote data sources and can visualize numeric, video, image, and audio data in a number of different ways.
  • Red-R
    Red-R is an open source visual programming interface for R designed to bring the power of the R statistical environment to a broader audience. Read more
  • RKWard
    RKWard aims to become an easy to use, transparent frontend to R, a powerful system for statistical computation and graphics. This software tries to combine the power of the R-language with the ease of use of commercial statistical packages. Read more
  • SaGA
    SaGA is a collection of MATLAB programs dealing with various aspects of geometrical modeling and spatial data analysis.
  • SalStat
    SalStat is a small application for statistical analysis with an emphasis on the sciences and social sciences (particularly psychology). The project is designed around the user interface which has been designed to be simple to use. Features a range of tests, data plotting, and a scripting capability.
    SCHAKAL is a Fortran program for the graphical representation of molecular and solid-state models.
  • Scilab Image Processing Toolbox
    Scilab Image Processing Toolbox provides image processing, pattern recognition, and computer vision routines for SciLab, a Matlab-like matrix-oriented programming environment.
  • Seismic Toolkit
    Seismic Toolkit is a tool for seismic data processing; in a graphical interactive and very intuitive interface. It allows you to plot SAC ASCII and SAC_BIN data format, with zoom,unzoom, plot channel by channel, or plot all channel. Read more
  • SEPlib
    SEPlib is a complete and freely distributed seismic data processing software package.
  • SigLab
    This is a calculator specially designed for working on signals. You may load, save or generate signals, do various operations on and between the signals (addition, ..., log, abs, sin, ..., filtering, convolution, fft, correlation
  • Simian
    Simian is a volume renderer, which is a program that produces color images from 3D volumes of data. This program can run either locally or in a distributed mode, meaning that it farms the work out over a network of workstations or a parallel computer. The operation of the user interface is pretty much identical in either case. It is intended for use in computational science, in that it can handle very large datasets representing multiple variables within the same physical system.
  • SkullyDoo
    SkullyDoo is an open source and portable software aimed to 3D image segmentation and visualization with surface models. It was developed as graduation thesis of Systems Engineering at Universidad Nacional del Centro de la Provincia de Buenos Aires (UNCPBA), located in Argentina. The software was implemented C++ and has a versatile filter mechanism with TCL scripting language binding. The visualization was made with VTK, a powerful visualization framework.
  • SLice EDitor
    SLice EDitor aims to be a slice viewer, editory and segmentation toolkit. As of now, only the viewer part is done. Sled is based on OpenVL and uses it for all tasks related to volumes - loading volumes, creating slices, accessing voxel data etc.
  • spec
    spec is a software package for instrument control and data acquisition, includes built-in support for a wide variety of motor controllers, counters, timers and other data-acquisition devices.
  • Splotter-3D
    Splotter-3D is a simple 3d plotter that lets you plot any 2D or 3D parametric function. It has zoom and axis control.
  • Superficie
    Superficie (surface) is a small program that allows to visualize 3D surfaces, and to have certain interaction with them. It allows to rotate, to move away, to show illumination, etc. on the surface at issue.
  • surf
    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.
  • TecPlot
    (commercial) TecPlot is a plotting program for visualizing and analyzing engineering and scientific data.
  • TeraPy
    TeraPy is a graphical user interface for terahertz time-domain spectroscopy and other sequential measurements processes.
  • Tipsy
    The developement of TIPSY was motivated by the need to quickly display and analyze the results of N-body simulations. Most data visualization packages are designed for the display of gridded data, and hence are unsuitable for use with particle data. Therefore, a special package was built that could easily perform the following functions: Display particle positions (as points), and velocities (as line segments) from an arbitrary viewpoint, zoom in to a chosen position, color particles to display scalar fields, and permit selection of a subset of the particles for display and analysis.
  • TouchGraph
    TouchGraph is a set of interfaces for graph visualization using spring-layout and focus+context techniques. Current applications include a utility for organizing links, a visual Wiki Browser, and a Google Graph Browser which uses the Google API.
  • UDAV
    UDAV is a cross-platform program for data array visualization based on the MathGL library. It supports a wide spectrum of graphics, simple script language, and visual data handling and editing. It has a windowed interface for data viewing, changing, and plotting. It can execute MGL scripts, set up and rotate graphics, export to bitmap or vector (EPS or SVG) files, draw TeX-like formulas, and so on.
  • UltraScan
    UltraScan represents a comprehensive data analysis software package for hydrodynamic data from analytical ultracentrifugation experiments. The software features an integrated data editing and analysis environment with a portable graphical user interface. A Beowulf module for Monte Carlo analysis is also built in, and a MySQL database backend is integrated for data management.
  • V_Sim
    V_Sim visualizes atomic structures such as crystals, grain boundaries and so on. The rendering is done in pseudo-3D with colored sphere to represent the atoms.
  • VASP Data Viewer
    VASP Data Viewer is a scientific visualization package for examining output files generated by the Vienna Ab-initio Simulation Package, a package for performing ab-initio quantum-mechanical molecular dynamics using pseudopotentials and a plane wave basis set.
  • vhclmaps
    vhclmaps is a package of map viewers and spatial data servers that work with map databases like these from the USGS.
  • Vibrate
    Vibrate is a program for visualizing the normal vibrational modes of a molecule. Vibrate can read files generated by Gaussian (G03, G98, G94 and G92), Gamess, Jaguar, ADF, Turbomole, Hondo, Ampac, Mopac and Pcmodel and display the computed vibrational spectrum. The user can then select a vibration to display by pointing to one of the spectral lines and an animated display of the vibrating molecule will be displayed.
    Visualisation Generale Interactive d'Ecoulements: for comparing the numerical results of simulations in the framework of workshops about hypersonic speed simulation and magnetic filed simulations
  • Vis5D
    Vis5D is a system for interactive visualization of large 5-D gridded data.
  • Vis5d+
    Vis5d+ is intended as a central repository for enhanced versions and development work on Vis5d, a free OpenGL-based volumetric visualization program for scientific datasets in 3+ dimensions.
  • VisiQuest
    (commercial) VisiQuest is a Visual Framework for Science and Technology designed to provide researchers, scientists, engineers, and educators with a faster way to reach discovery in the fields of data and image analysis.
  • VisIt
    VisIt is a free interactive parallel visualization and graphical analysis tool for viewing scientific data on Unix and PC platforms. Users can quickly generate visualizations from their data, animate them through time, manipulate them, and save the resulting images for presentations. VisIt contains a rich set of visualization features so that you can view your data in a variety of ways. It can be used to visualize scalar and vector fields defined on two- and three-dimensional (2D and 3D) structured and unstructured meshes.
  • ViSta
    ViSta is a statistical system featuring state-of-the-art statistical visualization tools for communicating data structure and statistical analysis results, and for guiding and structuring the analysis process.
  • ViTables
    ViTables is a graphical tool for browsing and editing files in both PyTables and HDF5 formats. ViTables capabilities include easy navigation through the data hierarchy, displaying of real data and its associated metadata, a simple, yet powerful, browsing of multidimensional data and more.
  • WXP
    WXP is a suite of routines for analyzing and displaying meteorological data and satellite images.
  • xd3d
    xd3d is a simple scientific visualization tool designed to be easy to learn. It can plot 2d and 3d meshes, with shadowing, contour plots, vector fields, iso-contour (3d), as well as 3d surfaces z=f(x,y) defined by an algebraic expression or a cloud of points. It generates high quality vector PostScript files for scientific publications and still or animated bitmap images. It includes the graph plotter xgraphic.
  • xfarbe
    xfarbe is a program for visualizing 2D-arrays. Features include: Nonlinear interpolation with bicubics on a rectangular grid, Computation of contour lines, piecewise in the rectangular cells, and Area filling with colors and patterns between the contour lines.
  • Xgfe
    Xgfe is a GUI front end to the Gnuplot plotting package. Xgfe tries to make your life with Gnuplot a little easier. It does not currently support every option of Gnuplot, but it supports many things. The development philosophy is a tasked oriented approach.
  • XGobi
    XGobi is a data visualization system for viewing high-dimensional data. XGobi's primary views are SCATTERPLOTS and LINE DRAWINGS whose points and lines can be brushed and identified across LINKED VIEWS.
  • XGvis
    XGvis is an interactive visualization system for proximity data as well as for graphs and networks.
  • XphaseD
    XphaseD is a freeware phase plane plotter for UNIX X-windows systems. It plots solutions of 2-d plane autonomous ODE systems.
  • xyplot
    xyplot is a plotting and data analysis program for use by students, teachers, scientists, and engineers. It displays the results from your experiments or calculations in an interactive graphical environment.
  • zimg
    zimg generates gif images from almost arbitrary formatted f(x,y) data. Both plain unformatted ascii and a variety of binary input formats are supported. Output options include variable logarithmic color mapping VLCM and contour graphics.
  • ZVView
    ZVView is a multi-platform software designed for nuclear reactions data evaluators to perform efficient interactive visual analysis of cross section data retrieved from EXFOR and ENDF libraries. The main function of ZVView is plotting and inter comparison of data, including variety of options for looking into numerous details of graphical, numerical and bibliographic information involved, along with a possibility to analyse results of own evaluation.

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