MATLAB Programming/Alternatives to MATLAB

Here are list of alternatives mathematics software Workbooks compared to MATLAB

Julia
Here are some Wikibooks related to Julia

Octave

Here are Wikibooks related to Octave:

Maple
Here are Wikibooks related to Maple

Maxima
Here are Wikibooks related to Maxima

Mathematica
Here are Wikibooks related to Mathematica

R Programming Language
Here are Wikibooks related to R

Sage
Here are Wikibooks related to Sage