WSMP
Watson Sparse Matrix Package (WSMP) is a collection of algorithms for efficiently solving large sparse systems of linear equations.
NetCDF-cxx4
C++ interface of NetCDF, a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.
QE
QE is an integrated suite of Open-Source computer codes for electronic-structure calculations and materials modeling at the nanoscale based on density-functional theory, plane waves, and pseudopotentials.
NCL
NCL is a free interpreted language designed specifically for scientific data processing and visualization.
Libidn2
Libidn2 is an implementation of the IDNA2008 + TR46 specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46)
Deal.II
Deal.II is a A C++ software library supporting the creation of finite element codes and an open community of users and developers.
Armadillo
Armadillo is a high quality linear algebra library (matrix maths) for the C++ language, aiming towards a good balance between speed and ease of use