| [GEOS](https://trac.osgeo.org/geos) | GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS) |
| [GMP](https://gmplib.org/) | GMP is a free library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers. |
| [gmpy2](https://github.com/aleaxit/gmpy) | GMP/MPIR, MPFR, and MPC interface to Python 2.6+ and 3.x |
| [ISL](http://isl.gforge.inria.fr/) | isl is a library for manipulating sets and relations of integer points bounded by linear constraints. |
| [KaHIP](https://kahip.github.io/) | The graph partitioning framework KaHIP -- Karlsruhe High Quality Partitioning. |
| [libcerf](https://jugit.fz-juelich.de/mlz/libcerf) | libcerf is a self-contained numeric library that provides an efficient and accurate implementation of complex error functions, along with Dawson, Faddeeva, and Voigt functions. |
| [libxsmm](https://github.com/hfp/libxsmm) | LIBXSMM is a library for small dense and small sparse matrix-matrix multiplications targeting Intel Architecture (x86). |