
AlgoBox
Algorithm creation and execution helper

Biogenesis
artificial life program that simulates the processes involved in the evolution of organisms

Cadabra
Computer algebra system for field theory problems

Cantor
KDE Frontend to Mathematical Software
CaRMetal
CaRMetal interactive geometry

code-aster-gui
Graphical command editor for Code_Aster.
ConvertAll
a flexible unit converter

CoqIDE Proof Assistant
Graphical interface for the Coq proof assistant

Dr.Geo
Dr.Geo Math Tool
Eficas
Graphical command editor for Code_Aster.
Euler
An interactive mathematical program

QFractalNow
Fractal images generator

Fraqtive
Mandelbrot family fractal generator
FreeMat
A free environment for rapid engineering and scientific prototyping and data processing

wmcalc
Calculator dockapp for Window Maker
GeoGebra
Dynamic mathematics software with interactive graphics, algebra and spreadsheet

Geomview
An interactive 3D viewing program

Geophar
Swiss-army knife for math teachers and enthusiasts
Gmsh Mesh Generator
3-D finite element mesh generator
Genius Math Tool
Genius Mathematical Tool and Calculator

Gnumeric
Calculation, Analysis, and Visualization of Information
JFractionLab
Calculate Fractions is fun!
KAlgebra
Math Expression Solver and Plotter
KAlgebra Mobile
Pocket Math Expression Solver and Plotter
Kayali
A Computer Algebra System
KBruch
Practice exercises with fractions
Kig
Explore Geometric Constructions
KmPlot
Function Plotter

Qcas Qt4
Qt4 frontend to Giac/Xcas
LibreOffice Math
Create and edit scientific formulas and equations by using Math.

XaoS
Interactive fractal zoomer
Mandelbulber
Visit 3D Fractal World

Mathomatic
Do symbolic mathematics and quick calculations

MathWar
A simple math game for kids
Matita
Interactive theorem prover

MATLAB
Scientific computing environment
Model Builder
Graphical ODE simulator
Netgen Mesh Generator
3-D finite element mesh generator

GNU Octave
Interactive programming environment for numerical computations
OpenAxiom
Open scientific computation platform
PolyGUI
PolyBoRi GUI

Proof General
Organise your proofs!
GNU PSPP
Analyze statistical data with a free alternative to SPSS

QtOctave
GUI for GNU Octave
Qliss3D
demonstration tool for Lissajous physiques

QtiPlot
Analyze and plot scientific data

R
R software environment for statistical computing and graphics
R Commander
Graphical interface to the R environment for statistical computing

Regina
Software for low-dimensional topology
RKWard
GUI for the R-project