AnyEvent::XSPromises provides a Promises interface, written in XS for performance, conforming to the Promises/A+ specification.

Halide is a programming language designed to make it easier to write high-performance image and array processing code on modern machines.

The POCO C++ Libraries are a collection of open source C++ class libraries that simplify and accelerate the development of network-centric, portable applications in C++. The libraries integrate perfectly with the C++ Standard Library and fill many of the functional gaps left open by it.

Texinfo is a documentation system that uses a single source file to produce both on-line information and printed output.

This GNU R package provides Space-Filling Designs and space-filling criteria (distance-based and uniformity-based), with emphasis to computer experiments; <doi:10.18637/jss.v065.i11>.

LaTeX::ToUnicode provides a method to convert LaTeX-style markups for accents etc. into their Unicode equivalents. It translates commands for special characters or accents into their Unicode equivalents and removes formatting commands. It is not at all bulletproof or complete.