The most popular alternative is libnurbs, which is both free and Open Source. If that doesn't suit you, our users have ranked 3 alternatives to NURBS++ so hopefully you can find a suitable replacement. Other interesting NURBS++ alternatives are SISL (Free, Open Source) and openNURBS (Free, Open Source).
- libnurbs C++ NURBS library
- Welcome to the home page of the NURBS (Non Uniform Rational B-Splines) software library SISL, developed and maintained by the geometry modelling group at SINTEF ICT, Department of...
- The openNURBS Initiative provides CAD, CAM, CAE, and computer graphics software developers the tools to accurately transfer 3-D geometry between applications.