Octave is a computer program for performing numerical computations which is mostly compatible with MATLAB . It is part of the GNU Project. It is free software under the terms of the GNU General Public License.

Nsp / Tumbi is described as 'Nsp is a GPL Scientific Software Package. It is based on a complete new rewrite of ScilabGtk' and is an app. There are more than 10 alternatives to Nsp / Tumbi for a variety of platforms, including Linux, Windows, Mac, Android and Flathub apps. The best Nsp / Tumbi alternative is GNU Octave, which is both free and Open Source. Other great apps like Nsp / Tumbi are MATLAB, Scilab, Nelson and Freemat.
Octave is a computer program for performing numerical computations which is mostly compatible with MATLAB . It is part of the GNU Project. It is free software under the terms of the GNU General Public License.

High-level environment supporting numerical computation, visualization, matrix operations, algorithm development, custom interfaces, integration with external languages, symbolic and model-based simulation, and specialized toolboxes for fields like engineering.




Scilab is free and open source software for numerical computation providing a powerful computing environment for engineering and scientific applications. Scilab includes hundreds of mathematical functions.




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

Designed for scientific computation, this language and editor provides low-cost abstraction and safety checks, focusing on matrix operations with syntax parity to scientific papers. It offers math rendering, real-time dimension checks, and intuitive user experience.


The OpenMatrix Language provides all scientists, technologists, engineers, & mathematicians (i.e., people in STEM fields) with open access to a powerful matrix-based computational engine.
A fresh (experimental) look at Scilab 6.x. Contribute to rdbyk/balisc development by creating an account on GitHub.
ScicosLab is a software package providing a multi-platform environment for scientific computation. It is based on the official Scilab 4.x (BUILD4) distribution, and includes the modeling and simulation tool Scicos and a number of other toolboxes.

Altair Compose is used to perform a variety of math & linear algebra (including matrix analysis and differential equations), filter signals, fit polynomials through data, approximate or check results from simulation software, perform optimization.

