LLVM C++ Standard library

libc++ is another implementation of the C++ standard library.


Fortran compiler

Ground-up implementation of a Fortran front end written in modern C++.


GNU R tools for creating tuning parameter values

Many models contain tuning parameters (i.e. parameters that cannot be directly estimated from the data). These tools can be used to define objects for creating, simulating, or validating values for such parameters.


gpgv-like validator for OpenPGP signatures

gpgv-sq is Sequoia's alternative implementation of a verification-only interface for OpenPGP signatures. It provides a feature-complete drop-in replacement for the GnuPG project's gpgv.


Qt 6 HTTP Server HTML documentation

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.


build high-performing platform-independent programs (runtime lib)

Free, open source C++ library, offering some basic functionality to build high-performing, platform-independent programs. Some of the highlights include: