nurbs

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

NURBS Algorithms Library, match the NURBS Book

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

C# wrapper for CGAL

NURBS curve / surface modeling library for Rust.

Example scripts for the NURBS-Python (geomdl) package

iGeo: Computational Design and 3D Modeling Library for Processing

Experiments for a FreeCAD Surface workbench

Convert all CAD formats

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

Web CAD library with exact B-Rep geometry

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

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

A dependency-free C11 library for creating, evaluating, sampling, traversing, and inspecting parametric curves and surfaces in 2D and 3D. One source, four backends: C, HLSL, GLSL, Halide

Extra nodes for Sverchok

ForCAD - A parallel Fortran library for geometric modeling using NURBS

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