# Category/Science

- AITALC
- Performs automated perturbative loop calculations of cross sections in high energy physics

- Absence
- Calendar for keeping track of people

- AeroCalc
- a package that performs various aeronautical engineering calculations.

- Antidote
- IEEE 11073-20601 stack

- Astro Catalog
- Object-oriented astronomical catalogue

- Astroconst
- Makes header files that define astrophysical constants

- Astronomical Papers Library
- A C library of published theories of motion of solar system objects.

- Asymptote
- Vector graphics language for technical drawings

- Atlc
- Package for designing and analyzing electrical transmission lines and directional couplers

- Avaneya: Viking Lander Remastered DVD
- Recover lost photographs from the first successful mission to the surface of Mars.

- Avogadro
- an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas.

- Avsomat
- Autoschedules and manages astronomical observation data

- BKchem
- Chemical drawing program

- BRL-CAD
- Is a powerful Constructive Solid Geometry (CSG) solid modeling system

- Bamtools
- tools for handling genome alignment (BAM) files.

- Besssugo
- a tool to build videos out of scientific calculations

- Bioinformatics Template Library
- Library for life sciences programming

- Biskit
- a python library for structural bioinformatics research.

- BlockCanvas
- a visual environment for creating simulation experiments, where function and data are separated.

- Blossoc
- A block-association mapping tool.

- Bmrblib
- The Biological Magnetic Resonance Data Bank (BioMagResBank or BMRB) library

- Botec
- a simple astrophysical and orbital mechanics calculator.

- Brightway2
- Life cycle assessment framework

- C-Graph
- software for visualizing convolution and demonstrating the convolution theorem

- CAGE
- a generic and fairly complete cellular automata simulation engine.

- CCVisu
- A Tool for General Force-Directed Graph Layout and Co-Change Visualization

- CERTI
- a High-Level Architecture RTI.

- CLHep
- HEP-specific foundation and utility classes

- CT Sim
- Computed tomography simulator

- Ccg
- Plot trends in atmospheric gasses

- Celestia
- Visual simulation of space

- Chaco
- Software for partitioning graphs

- Charlemagne
- Genetic programming application

- Chemtool
- Chemical structure editor

- Cl-ana
- Common Lisp data analysis library

- CoaSim
- Coalescence process simulator

- CoaSim-gui
- GUI for the CoaSim coalescence process simulator

- Coin
- 3D graphics library whose API is based on the Open Inventor API

- Collab
- real-time shared painting software (paint chat)

- CvEyeTracker
- Tools for eye tracking

- DGPS
- Lets you get GPS corrections over IP

- DataStatix
- A free software to manage data and statistics with MySql

- Datamash
- numeric,textual and statistical operations on input textual data files

- Dbacl
- Bayesian text classifier

- Deduce
- AI program which accepts natural language sentences as input

- Dimnum
- C++ library for storage and conversion of dimensionful values

- Discrete Event Calculus Reasoner
- A common-sense reasoning program.

- E-CELL Simulation Environment
- Software for cellular and biochemical modeling and simulation

- EMAN
- 3D particle reconstruction package

- EMpy
- a suite of numerical algorithms used in electromagnetism.

- EPICS
- Distributed Process Control Tool Kit Components

- Earth3D
- Visualizes the earth in realtime in a 3D view

- Electric
- An electrical CAD system

- Elfelli Flux Line Simulator
- A tool to simulate and visualize electric flux lines.

- Elmer
- Elmer is a computational tool for multi-physics problems.

- Emgr
- Empirical Gramian Framework

- Engauge
- Converts an image file showing a graph or map, into numbers

- Eonums
- a module for converting between integer numbers and Esperanto strings.

- Ephemeris
- Reads, writes and interpolates planetary positions using JPL's ephemeris files

- Eqe
- LaTeX equation editor

- Eukleides
- Euclidean geometry drawing language

- Euler
- Program for computing with real and complex numbers and matrices

- Extrema
- a powerful visualization and data analysis tool.

- FANN
- Implements multilayer feedforward ANNs much faster than other libraries

- FastDNAml
- Phylogenetic analysis software

- Fisicalab
- educational application to solve physics problems

- Fityk
- Non-linear curve fitting and data analysis

- Flounder
- Visualizes 4D data

- Fosite
- 2D hydrodynamical simulation program

- FreeMat
- Development environment for engineering and scientific applications

- FreeSnell
- FreeSnell is a program to compute optical properties of multilayer thin-film coatings.

- FroZenLight
- line drawing program based on modeling light moving through a grid of mirrors

- Fung-Calc
- Graphing calculator

- GAMGI
- A program to build, view, and analyze atomic strucures.

- GAUL
- Library for programming applications using genetic algorithms

- GDAL
- API for accessing raster geospatial data

- GDC
- A utility to calculate compressible flow (Gas Dynamics Calculator).

- GDIS
- Software to display and manipulate isolated molecules and periodic systems

- GENtle
- Bioinformatics software for everyday molecular biology tasks

- GEOS
- C++ implementation of the OpenGIS "Simple Features for SQL" specification

- GElemental
- A periodic table viewer.

- GLE
- C functions that draw extruded surfaces

- GMT
- Geographic mapping tools that produce EPS illustrations

- GNOME Water Temperature Applet
- a GNOME applet to display water temperatures of rivers, lakes and oceans.

- GNOWSYS
- Hybrid database server with a kernel for semantic computing

- GPS
- Simulates particle behavior

- GPSBabel
- Converts waypoint data between various formats

- GPStk
- Set of GPS processing algorithms

- GPeriodic
- Periodic table application

- GRASS (Geographic Resources Analysis Support System)
- Geographic information system

- GROMACS
- Simulates molecular dynamics

- GTO
- Stores static geometric data

- Gabedit
- gui for computational chemistry packages

- Galaxy- Stellar Simulation
- a program which simulates the motion of stars under the influence of gravity.

- Gama
- Geodetic network adjustment program

- Gcx
- Complete set of data-reduction functions for CCD photometry

- Gdpc
- Visualizes molecular simulation

- GenChemLab
- Simulates general chemistry laboratory exercises

- Genigma
- Free 'enigma' emulation

- Geo Weather
- Retrieves weather.com information

- GeoTIFF Viewer
- A viewer for GeoTIFF files.

- GeoToad
- Speeds up choosing a cache and collecting data

- Ghemical
- Molecular modelling application

- Global Village
- a Gnome application designed to place a front-end, or graphical user interface onto the CLI interface of Xplanet.

- Gmsh
- 3D finite element mesh generator with built-in CAD and post-processing facilities

- Gnome Flow
- Calculates and visualizes steady-state fluid flows

- Gnucap
- A general purpose circuit simulator

- Gnuskies
- Project to create a free version of the xephem program

- Goptical
- GNU Optical design and simulation library

- Gpiv
- GUI for analyzing images obtained by the Particle Image Velocimetry technique (PIV)

- Gpivtools
- Set of tools for the Particle Image Velocimetry technique

- Gpsdrive
- Map-based navigation system

- Graph-tool
- graph-tool is general graph measurement and manipulation program, aimed to help with statistical measurements of large graphs.

- Graphviz
- Graph drawing utilities

- Gri
- Scientific graphics language

- Gstat
- Geostatistical modelling, simulation, and prediction

- GtkDatabox
- A GTK+ widget to display large amounts of numerical data with curves.

- H5utils
- Utilities for visualization and conversion of data in the HDF5 format

- HASAS
- HydroAcoustic Signal Analysis System

- Hasard
- PRNG library

- Health
- Hospital and Health Information System

- Height Map Generator
- Terrain map generator

- Hitchhiker 2000
- Astronomy simulation program

- Holocrunchies
- Computational holography program

- HuffmanView
- Visualizes the Huffman tree algorithm.

- IGMT
- Visual tool for GMT script mapping

- IT++
- C++ library of mathematical, signal processing, speech processing, and communications classes and functions.

- Icarus Verilog
- a Verilog simulation and synthesis tool.

- Ikaros
- Framework for writing and running simulators

- ImLib3D
- Library and visualization system for 3D image processing

- ImageJ
- Image Processing and Analysis in Java

- Infovore
- Map/Reduce Framework For RDF Processing

- Integrating Modelling Toolkit
- Comprehensive system modelling toolkit

- IntelHEX
- Python implementation of Intel HEX file format allows you read, modify, write hex files and convert them to binary form.

- JPIV: Java Particle Image Velocimetry
- a software package for Particle Image Velocimetry.

- Jikes Research Virtual Machine
- metacircular Java virtual machine for research in virtual machine technologies

- Jmol
- Molecule viewer and editor

- KATCP
- Karoo Array Telescope Communication Protocol library

- KNIME
- KNIME is a user-friendly graphical workbench for the entire analysis process

- Kci
- Simulates chemical reactions

- KiCad
- KiCad is an EDA software suite for the creation of professional schematics and printed circuit boards.

- Kpl
- Two- and three-dimensional graphical presentation of data sets and functions

- Kstars
- Desktop planetarium for KDE

- L2P
- Creates PNG images from LaTeX math expressions

- Lamprop
- Calculates properties of fiber-reinforced composite laminates

- LibRadtran
- Calculates solar and thermal radiation

- LibTAP
- Prototyping system for virtual/augmented reality applications

- Libgeotiff
- Library for reading and writing coordinate system information from/to GeoTIFF files

- Libgpiv
- Library for Particle Image Velocimetry (PIV)

- Libnova
- Celestial mechanics and astronomical calculation library

- Libquantum
- Simulation of a quantum computer

- Light Speed!
- Simulates a geometric lattice

- LimeSurvey
- Is a Online Survey Tool, which was known until May 2007 as PHPSurveyor.

- LinSmith
- Smith charting program

- Lsystem
- an implementation of Lindenmayer systems (also called L-systems, substitution systems).

- MESH
- Measures distortion between two discrete surfaces (triangular meshes)

- MIND
- DICOM query/retrieve tool

- MIT Photonic Bands
- Computes photonic band structures

- MLPACK
- fast C++ machine learning library

- MPK
- MPK

- Mandelbulber
- 3D Mandelbrot fractal renderer

- MapServer
- Web-enabled mapping application development tool

- Marble
- virtual globe and world atlas

- Mastrave
- Library for effective semantic array programming. It is as compatible as possible with both GNU Octave and MATLAB computing environments, offering general purpose, portable and freely available features for the scientific community.

- Math MatrixReal
- Manipulate NxN real matrices

- MayaChemTools
- MayaChemTools is a growing collection of Perl scripts to support day-to-day computational discovery needs.

- McStas
- Neutron ray-trace simulation application

- Mcl-algorithm
- Cluster algorithm for graphs

- Meep
- finite-difference time-domain (FDTD) electromagnetic simulations

- Melting
- Nearest-neighbor compilation of nucleic acid hybridation

- MetaPath
- Metabolic pathway visualisation and analysis

- Metro
- Evaluates the difference between two triangular meshes

- Minfx
- The minfx optimisation library

- Mpc
- C library for the arithmetic of complex numbers with arbitrarily high precision and correct rounding of the result

- Msetimon
- Multi-SETI@home Monitor

- Munin
- Gathers, graphs, and displays information

- NMod nBody Modelling Toolkit
- Particle-particle nbody model

- Natural Language Toolkit
- Toolkit for writing programs that process natural language

- Neural Network Framework
- simulate and analyze arbitrary complex neural networks

- NeuroScope
- an advanced viewer for electrophysiological and behavioral data.

- Nightfall
- Simulate eclipsing binary stars

- Nodplot
- Visualizes structured 3D meshes

- NumPy
- numerical python package

- Number
- Prints the English name of a number

- OGDF
- Open Graph Drawing Framework

- OOF
- Calculate macroscopic properties from images of microstructures

- OOFEM
- Object oriented finite element code

- Octave-communications
- Digital Communications package for Octave.

- Octave-signal
- a signal processing tools package for Octave.

- Octopus
- Electronic structure based on time-dependent density functional theory

- Open BEAGLE
- Evolutionary computation framework

- OpenBabel
- Translates chemical file formats and data

- OpenLB
- A library for lattice Boltzmann numerics

- OpenMAD
- Nuclear war simulator

- OpenVRML
- VRML/X3D browser and runtime library

- OpenVulture
- a software package for controlling autonomous vehicles.

- PCP
- Machine learning program for pattern classification

- PEBL
- The Psychology Experiment Building Language

… further results

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