ANSI C library for NURBS, B-Splines, and Bézier curves with interfaces for C++, C#, D, Go, Java, Javascript, Lua, Octave, PHP, Python, R, and Ruby.

Object-oriented pure Python B-Spline and NURBS library

Open-source, cross-platform NURBS

C++ library for NURBS curves and surfaces

The TiGL Geometry Library to process aircraft geometries in pre-design.

Example scripts for the NURBS-Python (geomdl) package

NURBS Curve and Surface Algorithms Library, match the NURBS Book

C# wrapper for CGAL

A Python library for isogeometric analysis (IGA) using FEniCS.

iGeo: Computational Design and 3D Modeling Library for Processing

Experiments for a FreeCAD Surface workbench

gbs is a c++ header library to build and manage NURBS, some optional module are used for visualization and export. This library is compatible with OpenCASACADE and has a python biding.

Library for prototyping spline geometries of arbitrary dimensions and degrees, and IGA

NURBS Surface modeling tools focused on low degree and seam continuity (FreeCAD Workbench)

Rhino/OpenNURBS importer and exporter for NURBS-Python (geomdl)

Curated list of some open source codes employing isogeometric analysis (IGA)

Extra nodes for Sverchok

COMPAS wrapper for the Python bindings of OCC

ForCAD - A parallel Fortran library for geometric modeling using NURBS

NURBS curve / surface modeling library for Rust.