The GNU Scientific Library (GSL) is a powerful library of common numerical and scientific functions intended for use in C and C++ software. It serves as an important backend in many software packages.

A powerful machine learning library for Python

A high quality linear algebra library (matrix maths) for the C++ language, aiming towards a good balance between speed and ease of use

FMRIB Software Library

A Powerful Deep Learning Library with GPU Support

A Powerful Library for Computer Vision Applications

A Highly Optimized Linear Algebra Library based on GotoBLAS

Tools and File Structures for Storing and Analyzing Scientific Data

An API for the HDF5 Data Format for Python

The Data Acquisition Library for the Snort IDS