List of scientific/engineering packages

Mathematics

Package Name	Description
blitz	Blitz++ is a C++ class library for matrix scientific computing
calc	Calc is an arbitrary precision C-like arithmetic system that is a calculator, an algorithm-prototyper, and a mathematical research tool.
kpolynome	KPolynome is a program to calculate mathematical polynomes based on given data coordinates.
mona	Mona is a decision procedure for the WS1S and WS2S logics
Octave	Octave is a Matlab-Clone
R	R is a software environment for statistical computing and graphics
scigraphica	Scientific application for data analysis and technical graphics

Package Name	Description
FreeFEM	Free<Fem++ is an implementation of a language dedicated to the finite element method. It enables you to solve Partial Differential Equations (PDE) easily.
Qcad	QCad is an application for computer aided drafting in two dimensions (2d)

Package Name	Description
The Geda Suite	The complete suite for Electrical schematic and simulation
geda-docs geda-examples geda-gattrib geda-gnetlist geda-gschem geda-gsymcheck geda-symbols geda-utils	Documentation for gEDA Circuit examples for gEDA Attribute editor for gEDA Netlister for the gEDA project Electronics schematics editor Symbol checker for electronics schematics editor A bunch of symbols of electronic devices used by gschem. Utilities for gEDA
gresistor	To allow for identification, resistors are usually marked with colored bands. Often refereed to as color codes, these markings are indicative of their resistance, tolerance and temperature coefficient.
gnucap	GNU Circuit Analysis Package
ktechlab	Development and simulation of microcontrollers and electronic circuits
Ngspice	A mixed level/signal circuit simulator
pcb	PCB is an interactive printed circuit board editor for the X window system.
toped	IC Layout Editor
xcircuit	Xcircuit is a general-purpose drawing program and also a specific-purpose CAD program for circuit schematic drawing and schematic capture.
qucs	Qucs is a circuit simulator with graphical user interface. The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter and harmonic balance analysis.
freehdl	A project to develop a free, open source, GPL'ed VHDL simulator for Linux.

Package Name	Description
GChemistry	Gnome Chemistry Utils incl. periodic table of the elements, molecular structure viewer and chemical calculator
inchi	The IUPAC International Chemical Identifier library
openbabel	Chemistry software file format converter
xdrawchem	2D chemical structures drawing tool

Package Name	Description
cpl	ESO library for automated astronomical data-reduction
funtools	Minimal FITS library and utilities
sextractor	A program that builds a catalogue of objects from an astronomical image.
stellarium	Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
qfits	A stand-alone general purpose FITS library
wcstools	Software utilities to display and manipulate the WCS of a FITS image.

Package Name	Description	Link
elph	Tool to find motifs in a set of DNA or protein sequences	http://www.cbcb.umd.edu/software/ELPH/
glimmer	System for finding genes in microbial DNA	http://www.cbcb.umd.edu/software/glimmer
hmmer	Profile HMM software for protein sequence analysis	http://hmmer.wustl.edu
lagan	Local, global, and multiple alignment of DNA sequences	http://lagan.stanford.edu
perl-bioperl	A collection of tools for bioinformatics in Perl	http://www.bioperl.org/
perl-biopython	A collection of tools for bioinformatics in Python	http://www.biopython.org/
seaview	Graphical multiple sequence alignment editor	http://pbil.univ-lyon1.fr/software/seaview.html
SIBsim4	Align expressed RNA sequences on a DNA template	http://sibsim4.sourceforge.net