source freeware in Math & Scientific Tools downloads
SageMath for Mac OS X
9.7 freeware downloadSageMath is a free open-source mathematics software system licensed under the GPL. It builds on top of many existing open-source packages: NumPy, SciPy, matplotlib, Sympy, Maxima, ...
Pack Print Cut
5.1 freeware download... this project is to create free and open source computer program that would be good enough for implementation in real furniture production at small carpenter's ...