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.

Open-source, cross-platform NURBS

Object-oriented pure Python B-Spline and NURBS library

C++ library for NURBS curves and surfaces

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

C# wrapper for CGAL

Example scripts for the NURBS-Python (geomdl) package

A C++ NURBS Algorithms Open Source Library, match the NURBS Book

iGeo: Computational Design and 3D Modeling Library for Processing

Experiments for a FreeCAD Surface workbench

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

Basic (mathematical) operations for B-spline functions and related things with julia

NURBS curve / surface modeling library for Rust.

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

Extra nodes for Sverchok

De Boor's Algorithm for NURBS Curve

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

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.

ForCAD - A parallel Fortran library for geometric modeling using NURBS

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