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GKmap is a free K-Map disclosure software, which is developed to solve the Digital Electronics design problems. Along with design it also helps in analysis of information flow in the digital circuits.

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source.

OpenGL Mathematics (GLM) is a header only C++ mathematics library for graphics software based on the OpenGL Shading Language (GLSL) specification. GLM provides classes and functions designed and implemented with the same naming conventions and functionalities than GLSL so that when a programmer knows GLSL, he knows GLM as well which makes it really easy to use. This project isn't limited to GLSL features. An extension system, based on the GLSL extension conventions, provides extended capabilities: matrix transformations, quaternions, half-based types, random numbers, procedural noise functions, etc... This library works perfectly with OpenGL but it also ensures interoperability with third party libraries and SDKs. It is a good candidate for software rendering (Raytracing / Rasterisation), image processing, physic simulations and any context that requires a simple and convenient mathematics library.

GraphThing is a tool that allows you to create, manipulate and study graphs. These "graphs" are mathematical objects that describe relationships between sets; they are not 2D plots, charts, or anything similar to that.

GotoBLAS2 is a fast implementation of Basic Linear Algebra Subprograms. It supports various architectures and is optimized for many cores, including Intel Nehalem and Atom, Via Nano, SiCortex, AMD Shanghai and Istanbul.

levmar is a GPL-licensed library written in C, that implements the Levenberg-Marquardt (LM) optimization algorithm, one of the most effective methods for solving nonlinear least squares problems.

GNU Regression, Econometrics and Time-series Library Features - A wide variety of least-squares-based estimators (including two-stage least squares). - Easy, intuitive interface. - Single commands to launch things like augmented Dickey-Fuller test, Chow test for structural stability, Vector Autoregression. - Reads own format ascii data files, Comma Separated Values files, BOX1 files, own format binary databases (allowing mixed data frequencies and series lengths) and RATS 4 databases. Includes a US macro database and a perl script to create a database off economagic.com. See also the gretl data page. - Output models as LaTeX files, in tabular or equation format (not very flexible yet). - Integrated scripting language: enter commands either via the gui or via scripts. - Command loop structure for Monte Carlo simulations. - GUI controller for fine-tuning Gnuplot graphs. - Link to GNU R for further data analysis.

Ipopt (Interior Point OPTimizer, pronounced eye-pea-Opt) is a software package for large-scale nonlinear optimization. Ipopt is written in C++ and is released as open source code under the Eclipse Public License (EPL). It is available from the COIN-OR initiative. The code has been written by Carl Laird and Andreas Wchter, who is the COIN project leader for Ipopt. The Ipopt distribution can be used to generate a library that can be linked to one's own C++, C, or Fortran code, as well as a solver executable for the AMPL modeling environment. The package includes interfaces to CUTEr optimization testing environment, as well as the MATLAB and R programming environments. IPOPT can be used on Linux/UNIX, Mac OS X and Windows platforms. An excellent reference for this library can be found in: Wachter and L. T. Biegler, On the Implementation of a Primal-Dual Interior Point Filter Line Search Algorithm for Large-Scale Nonlinear Programming, Mathematical Programming 106(1), pp. 25-57, 2006

JAMA/C++ Linear Algebra Package (v. 1.2.1) JAMA/C++: a translation of the Java Matrix Library, developed by the Mathworks and NIST, into C++ * classical matrix linear algebra * QR * SVD * Cholesky * Eigenvalue solver Based on NIST's Template Numerical Toolkit.

Kig is an application for interactive geometry. FEATURES - Allows the students to interactively explore mathematical figures and concepts using the computer. - Serves as a WYSIWYG tool for drawing mathematical figures and including them in other documents.