The best open source alternative to R (programming language) is Python. If that doesn't suit you, our users have ranked more than 50 alternatives to R (programming language) and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to R (programming language) are GNU Octave, Julia, SageMath and SciPy.
MP library is a set of solver drivers and tools recommended to create new AMPL solver drivers. It provides type-safe and flexible interfaces suitable for linear and mixed-integer, non-linear, and Constraint Programming solvers.
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.
Java based and open sourced version of matlab and octave
Getting more and more compatible over time.
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.
GNU datamash is command-line program which performs simple calculation (e.g. count, sum, min, max, mean, stdev, string coalescing) on input files. Datamash has a rich set of statistical functions, to quickly assess information in textual input files.
FriCAS is an advanced computer algebra system. Its capabilities range from calculus (integration and differentiation) to abstract algebra. It can plot functions and has integrated help system.
Description
Similar to the windows R gui built in editor, NppToR aims to extend the functionality of code passing to the Notepad++ code editor. In addition to passing to the R gui, NppToR provides optional passing to a PuTTY window for passing to an R instance a remote machine.
A simple Six Sigma Calculator Firefox and Opera Add-on to calculate the DPM value.
MicroPython aims to implement the Python 3.4 standard (with selected features from later versions) with respect to language syntax, and most of the features of MicroPython are identical to those described by the “Language Reference” documentation at docs.python.org.
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.
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