Java based and open sourced version of matlab and octave
Getting more and more compatible over time.

Derive is described as '6.1: Powerful system for doing symbolic and numeric mathematics. This application is no longer available or supported' and is an app in the education & reference category. There are more than 50 alternatives to Derive for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Derive alternative is GNU Octave, which is both free and Open Source. Other great apps like Derive are MATLAB, SageMath, Mathematica and SciPy.
Java based and open sourced version of matlab and octave
Getting more and more compatible over time.

WolfCalc is a light minimal front end to the powerful Wolfram|Alpha™ Computational Knowledge Engine™, which is one of the most powerful calculators in the world and can be used to solve a large variety of problems.



FormulaDesk Math is an Excel add-in that brings real symbolic math to Excel. View formulas as equations, plot formulas…instantly. All the tools that engineers and students need every day, now inside Excel.



PDL ("Perl Data Language") gives standard Perl the ability to compactly store and speedily manipulate the large N-dimensional data arrays which are the bread and butter of scientific computing.
SigmaPlot is a proprietary software package for scientific graphing and data analysis for Microsoft Windows. The software can read multiple formats and perform mathematical transforms and statistical analyses.




With YAKINDU Statechart Tools, you can easily create complex systems in a visual way. Simulate and test your system’s behavior already while you are modeling.

Reinteract is a system for interactive experimentation with Python. Reinteract worksheets contain Python code combined with the results of that code, formatted as text or graphical plots. Youu can go back and edit previously entered statements, and the results will update.

Statwing was built by and for analysts, so you can clean data, explore relationships, and create charts in minutes instead of hours. Simply upload your spreadsheet or dataset, then select the relationships you want to explore.




GiNaC is a C++ library. It is designed to allow the creation of integrated systems that embed symbolic manipulations together with more established areas of computer science (like computation- intense numeric applications, graphical interfaces, etc.) under one roof.
Nerdamer is a small and light-weight symbolic math expression evaluator written in JavaScript. The parsing is done purely in JavaScript and uses no server-side program whatsoever. It can export to a pure JavaScript function, ideal for filtering user input.
Math Notepad is a web based editor, which allows you do do mathematical calculations and plot graphs. It supports real and complex numbers, matrices, and units, and comes with all common math functions built in.




MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations. Apart from these it can also do statistical analysis like mean, median, standard error, variance, skewness, kurtosis. It can create histograms. The code is open source.
