Engineering and Scientific
This group includes packages for performing mathematical and scientific computations and plotting, as well as unit conversion.
- LabPlot - Data Analysis and Visualization
 - Macaulay2 - System for algebraic geometry and commutative algebra
 - R - A language for data analysis and graphics
 - SIBsim4 - Align expressed RNA sequences on a DNA template
 - TeXmacs - Structured wysiwyg scientific text editor
 - alliance - Alliance VLSI CAD Sytem
 - atlas - Automatically Tuned Linear Algebra Software
 - blacs - Basic Linear Algebra Communication Subprograms
 - blas - The BLAS (Basic Linear Algebra Subprograms) library.
 - cdo - A program for manipulating GRIB/NetCDF/SERVICE/EXTRA files
 - cernlib-utils - CERN library compilation and environment setting scripts
 - drawtiming - A command line tool for generating timing diagrams
 - dx - Open source version of IBM's Visualization Data Explorer
 - dx-samples - OpenDX Examples
 - funtools - FITS library and utilities
 - galculator - GTK 2 based scientific calculator
 - gchempaint - A 2D chemical formulae drawing tool
 - gdl - GNU Data Language
 - geant321 - Particle detector description and simulation tool
 - geda-docs - Documentation for gEDA
 - geda-examples - Circuit examples for gEDA
 - geda-gattrib - Attribute editor for gEDA
 - geda-gnetlist - Netlister for the gEDA project
 - geda-gschem - Electronics schematics editor
 - geda-gsymcheck - Symbol checker for electronics schematics editor
 - geda-symbols - Electronic symbols for gEDA
 - geda-utils - Several utilities for the gEDA project
 - genius - An arbitrary precision integer and multiple precision floatingpoint calculator
 - geomview - Interactive 3D viewing program
 - gerbv - Gerber file viewer from the gEDA toolkit
 - ghdl - A VHDL simulator, using the GCC technology
 - gnome-chemistry-utils - A set of chemical utilities
 - gnucap - The Gnu Circuit Analysis Package
 - gnuplot - A program for plotting mathematical expressions and data
 - gpredict - Real-time satellite tracking and orbit prediction program
 - grace - Numerical Data Processing and Visualization Tool
 - grads - Tool for easy acces, manipulation, and visualization of data
 - gresistor - Gnome resistor color code calculator
 - gridengine - Grid Engine - Distributed Computing Management software
 - gtkwave - Waveform Viewer
 - gts - GNU Triangulated Surface Library
 - harminv - Program and library for solving the harmonic inversion problem
 - hdf - A general purpose library and file format for storing scientific data
 - hdf5 - A general purpose library and file format for storing scientific data
 - hmmer - Profile HMM software for protein sequence analysis
 - irsim - Switch-level simulator used even for VLSI
 - kicad - Electronic schematic diagrams and printed circuit board artwork
 - kpolynome - A polynome calculation program
 - kst - A data viewing program for KDE
 - ktechlab - Development and simulation of microcontrollers and electronic circuits
 - lagan - Local, global, and multiple alignment of DNA sequences
 - lam - The LAM (Local Area Multicomputer) programming environment.
 - lapack - The LAPACK libraries for numerical linear algebra.
 - libctl - Guile-based support for flexible control files
 - libmatheval - Library for parsing and evaluating symbolic expressions input as text
 - libtcd - Tide Constituent Database Library
 - magic - A very capable VLSI layout tool
 - malaga - A programming language for automatic language analysis
 - mathml-fonts - Mathematical symbol fonts
 - maxima - Symbolic Computation Program
 - maxima-gui - Tcl/Tk GUI interface for maxima
 - ncl - NCAR Command Language and NCAR Graphics
 - nco - Suite of programs for manipulating NetCDF/HDF4 files
 - ncview - A visual browser for netCDF format files
 - netcdf - Libraries for the Unidata network Common Data Form (NetCDF v3)
 - netgen - LVS netlist comparison tool for VLSI
 - ngspice - A mixed level/signal circuit simulator
 - numpy - A fast multidimensional array facility for Python
 - octave - A high-level language for numerical computations
 - octave-forge - Contributed functions for octave
 - openbabel - Chemistry software file format converter
 - orpie - A fullscreen console-based RPN calculator
 - osiv - Open Source Image Velocimetry
 - paraview - Parallel visualization application
 - paw - A program for the analysis and presentation of data
 - pcb - An interactive printed circuit board editor
 - perl-bioperl - Perl tools for computational molecular biology
 - pharosc - VLSI and ASIC Technology Standard Cell Libraries
 - pharosc-alliance - VLSI and ASIC Standard Cell Libraries for alliance
 - pharosc-magic - VLSI and ASIC Standard Cell Libraries for Magic
 - pharosc-synopsys - VLSI and ASIC Standard Cell Libraries for Synopsis
 - pharosc-xcircuit - VLSI and ASIC Standard Cell Libraries for XCircuit
 - pikdev - IDE for development of PICmicro based application (under Linux/KDE)
 - piklab - Development environment for applications based on PIC & dsPIC microcontrollers
 - pikloops - Code generator for PIC delays
 - plotutils - GNU vector and raster graphics utilities and libraries
 - pvm - Libraries for distributed computing.
 - python-biopython - Python tools for computational molecular biology
 - qalculate-gtk - A multi-purpose desktop calculator for GNU/Linux
 - qalculate-kde - A multi-purpose desktop calculator for GNU/Linux
 - qcad - Simple 2D CAD program
 - qtiplot - Data Analysis and Scientific Plotting
 - qucs - Circuit simulator
 - rrdtool - Round Robin Database Tool to store and display time-series data
 - scalapack - A subset of LAPACK routines redesigned for heterogenous computing
 - scigraphica - Scientific application for data analysis and technical graphics
 - scrip - Spherical Coordinate Remapping and Interpolation Package (SCRIP)
 - seaview - Graphical multiple sequence alignment editor
 - sextractor - Extract catalogs of sources from astronomical images
 - speedcrunch - A fast power user calculator for KDE
 - stix-fonts - STIX scientific and engineering fonts
 - stix-fonts-integrals - STIX scientific and engineering fonts, additional integral glyphs
 - stix-fonts-pua - STIX scientific and engineering fonts, PUA glyphs
 - stix-fonts-sizes - STIX scientific and engineering fonts, additional glyph sizes
 - stix-fonts-variants - STIX scientific and engineering fonts, additional glyph variants
 - tcd-utils - TCD (Tide Constituent Database) Utils
 - tgif - 2-D drawing tool
 - tideEditor - Editor for Tide Constituent Database (TCD) files
 - toped - VLSI IC Layout Editor
 - units - A utility for converting amounts from one unit to another
 - veusz - GUI scientific plotting package
 - wcstools - Software utilities to display and manipulate the WCS of a FITS image
 - wgrib - Manipulate, inventory and decode GRIB files
 - wise2 - Tools for comparison of biopolymers
 - wvs-data - World Vector Shoreline data
 - wxMaxima - Graphical user interface for Maxima
 - xcircuit - Electronic circuit schematic drawing program
 - xdrawchem - 2D chemical structures drawing tool
 - xtide - Calculate tide all over the world