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        applications/engineering
	
        
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            E - 
            Equational Theorem Prover
          
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            GMT - 
            Generic Mapping Tools
          
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            GMT-coastlines - 
            Coastline data for GMT
          
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            HippoDraw - 
            Interactive and Python scriptable data analysis application
          
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            LabPlot - 
            Data Analysis and Visualization
          
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            Macaulay2 - 
            System for algebraic geometry and commutative algebra
          
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            PyQuante - 
            Python Quantum Chemistry
          
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            PythonCAD - 
            Python scriptable CAD package
          
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            R - 
            A language for data analysis and graphics
          
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            R-BSgenome.Celegans.UCSC.ce2 - 
            Caenorhabditis elegans genome (UCSC Release ce2)
          
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            R-BSgenome.Dmelanogaster.FlyBase.r51 - 
            Drosophila melanogaster genome (FlyBase r5.1)
          
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            R-Biobase - 
            Base functions for Bioconductor
          
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            R-BufferedMatrix - 
            A matrix data storage object method from bioconductor
          
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            R-DBI - 
            Database interface module for R
          
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            R-GeneR - 
            R for genes and sequences analysis
          
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            R-IRanges - 
            Low-level containers for storing sets of integer ranges
          
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            R-RSQLite - 
            SQLite database interface for R
          
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            R-RScaLAPACK - 
            An interface to perform parallel computation on linear algebra problems using ScaLAPACK
          
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            R-RUnit - 
            R Unit test framework
          
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            R-affyio - 
            Tools for parsing Affymetrix data files
          
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            R-car - 
            Companion to Applied Regression package for R
          
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            R-hdf5 - 
            Interface to the NCSA HDF5 library
          
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            R-hgu95av2probe - 
            Probe sequence data for microarrays of type hgu95av2
          
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            R-lmtest - 
            Testing Linear Regression Models for R
          
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            R-mAr - 
            R module to evaluate functions for multivariate AutoRegressive analysis
          
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            R-multcomp - 
            Simultaneous inference for general linear hypotheses R Package
          
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            R-mvtnorm - 
            Multivariate normal and T distribution R Package
          
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            R-qtl - 
            Tools for analyzing QTL experiments
          
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            R-qvalue - 
            Q-value estimation for false discovery rate control
          
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            R-rlecuyer - 
            R interface to RNG with multiple streams
          
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            R-systemfit - 
            Simultaneous Equation Estimation R Package
          
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            R-waveslim - 
            R module, Basic wavelet routines for 1,2 and 3-dimensional signal processing
          
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            R-wavethresh - 
            R module, Software to perform wavelet statistics and transforms
          
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            R-zoo - 
            Z's ordered observations for irregular time series
          
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            SIBsim4 - 
            Align expressed RNA sequences on a DNA template
          
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            accrete - 
            Accrete is a physical simulation of solar system planet formation
          
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            alliance - 
            VLSI EDA System
          
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            alt-ergo - 
            Alt-Ergo automatic theorem prover
          
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            archimedes - 
            2D Quantum Monte Carlo simulator for semiconductor devices
          
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            avarice - 
            Program for interfacing the Atmel JTAG ICE to GDB
          
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            avrdude - 
            Software for programming Atmel AVR Microcontroller
          
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            bc - 
            GNU's bc (a numeric processing language) and dc (a calculator)
          
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            bkchem - 
            Chemical drawing program
          
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            boinc-client - 
            The BOINC client core
          
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            calc - 
            Arbitrary precision arithmetic system and calculator
          
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            cddlib - 
            A library for generating all vertices in convex polyhedrons
          
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            cdo - 
            A program for manipulating GRIB/NetCDF/SERVICE/EXTRA files
          
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            chktex - 
            LaTex semantic checker
          
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            chntpw - 
            Change passwords in Windows SAM files
          
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            cloudy - 
            Spectral synthesis code to simulate conditions in interstellar matter
          
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            coq - 
            Coq proof management system
          
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            drawtiming - 
            A command line tool for generating timing diagrams
          
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            drgeo - 
            Interactive educational geometry software
          
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            drgeo-doc - 
            Html documentation for drgeo
          
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            ds9 - 
            Astronomical Data Visualization Application
          
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            dx - 
            Open source version of IBM's Visualization Data Explorer
          
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            electric - 
            Sophisticated Java based VLSI CAD System
          
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            elph - 
            Tool to find motifs in a set of DNA or protein sequences
          
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            esorex - 
            Recipe Execution Tool of the European Southern Observatory
          
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            extrema - 
            Extrema is a powerful visualization and data analysis tool
          
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            fet - 
            Open source free timetabling software
          
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            fityk - 
            Non-linear curve fitting and data analysis
          
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            flint - 
            Fast Library for Number Theory
          
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            freefem++ - 
            PDE solving tool
          
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            freehdl - 
            GPLed free VHDL
          
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            funtools - 
            FITS library and utilities
          
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            g3data - 
            Program for extracting the data from scanned graphs
          
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            gabedit - 
            GUI for computational chemistry
          
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            galculator - 
            GTK 2 based scientific calculator
          
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            gcx - 
            Data-reduction tool for CCD photometry
          
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            gdl - 
            GNU Data Language
          
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            gds2pov - 
            GDS2 layout file to POV-Ray conversion
          
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            geda-docs - 
            Documentation for gEDA
          
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            geda-examples - 
            Circuit examples for gEDA
          
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            geda-gattrib - 
            Attribute editor for gEDA
          
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            geda-gnetlist - 
            Netlister for the gEDA project
          
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            geda-gschem - 
            Electronics schematics editor
          
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            geda-gsymcheck - 
            Symbol checker for electronics schematics editor
          
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            geda-symbols - 
            Electronic symbols for gEDA
          
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            geda-utils - 
            Several utilities for the gEDA project
          
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            genius - 
            An arbitrary precision integer and multiple precision floatingpoint calculator
          
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            genus2reduction - 
            Computes Reductions of Genus 2 Proper Smooth Curves
          
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            geomview - 
            Interactive 3D viewing program
          
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            geos - 
            GEOS is a C++ port of the Java Topology Suite
          
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            gerbv - 
            Gerber file viewer from the gEDA toolkit
          
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            gfan - 
            Software for Computing Gröbner Fans and Tropical Varieties
          
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            ggobi - 
            Open source visualization for exploring high-dimensional data
          
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            glimmer - 
            System for finding genes in microbial DNA
          
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            gmp-ecm - 
            Elliptic Curve Method for Integer Factorization
          
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            gnome-chemistry-utils - 
            A set of chemical utilities
          
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            gnucap - 
            The Gnu Circuit Analysis Package
          
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            gnuplot - 
            A program for plotting mathematical expressions and data
          
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            gnuradio - 
            Software defined radio framework
          
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            gonvert - 
            Units conversion utility
          
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            gperiodic - 
            Program for browsing the periodic table
          
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            grace - 
            Numerical Data Processing and Visualization Tool
          
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            grads - 
            Tool for easy acces, manipulation, and visualization of data
          
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            grass - 
            GRASS - Geographic Resources Analysis Support System
          
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            grc - 
            GUI for Gnuradio
          
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            gresistor - 
            Gnome resistor color code calculator
          
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            gromacs - 
            GROMACS - Fast, Free and Flexible Molecular Dynamics
          
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            gsim85 - 
            An 8085 microprocessor simulator
          
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            gtkwave - 
            Waveform Viewer
          
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            gts - 
            GNU Triangulated Surface Library
          
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            gwave - 
            GPLed Analog Waveform Viewing Environment
          
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            harminv - 
            Program and library for solving the harmonic inversion problem
          
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            hmmer - 
            Profile HMM software for protein sequence analysis
          
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            iml - 
            Finds solutions to systems of linear equations over integers
          
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            irsim - 
            Switch-level simulator used even for VLSI
          
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            iverilog - 
            Icarus Verilog is a verilog compiler and simulator
          
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            jday - 
            A simple command to convert calendar dates to julian dates
          
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            jmol - 
            An open-source Java viewer for chemical structures in 3D
          
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            kicad - 
            Electronic schematic diagrams and printed circuit board artwork
          
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            kpolynome - 
            A polynome calculation program
          
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            kst - 
            A data viewing program for KDE
          
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            ktechlab - 
            Development and simulation of microcontrollers and electronic circuits
          
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            lagan - 
            Local, global, and multiple alignment of DNA sequences
          
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            linsmith - 
            A Smith charting program
          
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            lybniz - 
            A function graph plotter
          
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            magic - 
            A very capable VLSI layout tool
          
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            mapnik - 
            Free Toolkit for developing mapping applications
          
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            mathomatic - 
            Small, portable symbolic math program
          
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            maxima - 
            Symbolic Computation Program
          
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            messiggy - 
            Messiggy is a database of celestial objects
          
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            minisat2 - 
            A minimalistic, open-source SAT solver
          
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            mona - 
            A decision procedure for the WS1S and WS2S logics
          
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            mpfi - 
            An interval arithmetic library based on MPFR
          
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            munipack - 
            The C-Munipack is an astrophotometry software package
          
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            ncl - 
            NCAR Command Language and NCAR Graphics
          
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            nco - 
            Suite of programs for manipulating NetCDF/HDF4 files
          
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            ncview - 
            A visual browser for netCDF format files
          
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            netcdf - 
            Libraries for the Unidata network Common Data Form
          
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            netcdf-decoders - 
            Converts WMO GRIB products into NetCDF files
          
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            netgen - 
            LVS netlist comparison tool for VLSI
          
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            ngspice - 
            A mixed level/signal circuit simulator
          
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            nightfall - 
            Nightfall is an astronomy application for emulation of eclipsing stars
          
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            nxt_python - 
            Nxt_python is a package for controlling a LEGO NXT robot using python
          
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            octave - 
            A high-level language for numerical computations
          
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            octave-forge - 
            Contributed functions for octave
          
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            ogdi - 
            Open Geographic Datastore Interface
          
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            orpie - 
            A fullscreen console-based RPN calculator
          
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            osiv - 
            Open Source Image Velocimetry
          
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            palp - 
            A Package for Analyzing Lattice Polytopes
          
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            paraview - 
            Parallel visualization application
          
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            pcb - 
            An interactive printed circuit board editor
          
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            perl-Verilog - 
            Verilog parsing routines
          
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            pharosc - 
            VLSI and ASIC Technology Standard Cell Libraries
          
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            picviz - 
            Parallel coordinates plotter
          
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            pipviewer - 
            Visualizer for multiple alignments of genomic sequences
          
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            plplot - 
            Library of functions for making scientific plots
          
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            polyxmass-bin - 
            The GNU polyxmass software suite
          
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            pp3 - 
            Creation of sky charts in Postscript or PDF format
          
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            proj - 
            Cartographic projection software (PROJ.4)
          
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            pspp - 
            A program for statistical analysis of sampled data
          
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            pygrace - 
            Python bindings for grace
          
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            pymol - 
            PyMOL Molecular Graphics System
          
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            python-ferari - 
            Optimizer for finite element code
          
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            python-fiat - 
            Generation of arbitrary order instances of the Lagrange elements
          
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            python-instant - 
            Python module for instant inlining of C and C++ code
          
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            qalculate-gtk - 
            A multi-purpose desktop calculator for GNU/Linux
          
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            qalculate-kde - 
            A multi-purpose desktop calculator for GNU/Linux
          
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            qcad - 
            Simple 2D CAD program
          
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            qd - 
            Double-Double and Quad-Double Arithmetic
          
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            qgis - 
            A user friendly Open Source Geographic Information System
          
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            qtgpsc - 
            A client for the gpsd GPS server
          
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            qtoctave - 
            Frontend for Octave
          
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            qucs - 
            Circuit simulator
          
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            radial - 
            A simple program for calculating radial velocities of stars in a binary system
          
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            rmap - 
            Rmap is a package that is able to generate images of the earth from a distance
          
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            roundup - 
            Simple and flexible issue-tracking system
          
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            scidavis - 
            Scientific Data Analysis and Visualization
          
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            scitools - 
            A Python library for scientific computing
          
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            screenruler - 
            GNOME screen ruler
          
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            scrip - 
            Spherical Coordinate Remapping and Interpolation Package (SCRIP)
          
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            sdcc - 
            Small Device C Compiler
          
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            seaview - 
            Graphical multiple sequence alignment editor
          
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            sextractor - 
            Extract catalogs of sources from astronomical images
          
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            siril - 
            Siril is an astronomical image processing software for Linux
          
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            sk2py - 
            Migrates Cadence Skill based PCells to Python PyCells
          
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            spacechart - 
            A 3D star-mapping program
          
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            speedcrunch - 
            A fast power user calculator for KDE
          
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            starplot - 
            3-dimensional perspective star map viewer
          
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            starplot-contrib - 
            Stellar data set for use by the StarPlot tool
          
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            starplot-gliese3 - 
            Stellar data set for use by the StarPlot tool
          
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            starplot-yale5 - 
            Stellar data set for use by the StarPlot tool
          
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            stp - 
            Constraint solver/decision procedure
          
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            swarp - 
            Tool that resamples and co-adds together FITS images
          
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            symmetrica - 
            A Collection of Routines for Solving Symmetric Groups
          
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            sympow - 
            Special Values of Symmetric Power Elliptic Curve L-Functions
          
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            tachyon - 
            Parallel / Multiprocessor Ray Tracing System
          
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            tcd-utils - 
            TCD (Tide Constituent Database) Utils
          
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            tex-zfuzz - 
            Type-checker and LaTeX style for Z spec language
          
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            tideEditor - 
            Editor for Tide Constituent Database (TCD) files
          
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            tkgate - 
            An event driven digital circuit simulator
          
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            toped - 
            VLSI IC Layout Editor
          
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            torch - 
            Torch is a simple machine-learning library
          
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            uisp - 
            Universal In-System Programmer for Atmel AVR and 8051
          
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            units - 
            A utility for converting amounts from one unit to another
          
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            vaspview - 
            VASP Data Viewer
          
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            vhd2vl - 
            VHDL to Verilog translator
          
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            vhybridize - 
            Virtual Hybridization command line tools
          
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            wcstools - 
            Software utilities to display and manipulate the WCS of a FITS image
          
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            weka - 
            Waikato Environment for Knowledge Analysis
          
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            wgrib - 
            Manipulate, inventory and decode GRIB files
          
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            wgrib2 - 
            Manipulate, inventory and decode GRIB2 files
          
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            why - 
            Why software verification platform
          
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            wise2 - 
            Tools for comparison of biopolymers
          
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            wvs-data - 
            World Vector Shoreline data
          
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            wxMaxima - 
            Graphical user interface for Maxima
          
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            xcircuit - 
            Electronic circuit schematic drawing program
          
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            xdrawchem - 
            2D chemical structures drawing tool
          
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            xpa - 
            The X Public Access messaging system
          
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            xtide - 
            Calculate tide all over the world
          
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            xvarstar - 
            Astronomical program used for searching GCVS
          
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            zenon - 
            Automated theorem prover for first-order classical logic