GeoPDEs is an open and free package for the research and teaching of Isogeometric Analysis, written in Octave and fully compatible with Matlab.
The GeoPDEs package provides a common and flexible framework for implementing and testing new isogeometric methods for the solution of partial differential equations.
These are some of the main features of GeoPDEs:
GeoPDEs is free (as in "free speech") software released under the terms of the GNU GPL license (v3).
To install package, see the details in the GeoPDEs webpage