AMGCL - a header-only C++ library for solving large sparse linear systems with algebraic multigrid. [MIT]
A scientific computing framework with wide support for machine learning algorithms that puts GPUs first. [BSD-3-Clause] website
High performance PDE solvers. [BSD]
Coupling library for partitioned multi-physics simulations (FSI, CHT, and more). [LGPL] website
A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience. [Apache 2.0] website
GNU scientific library. [GPL]