OpenBLAS is an open-source implementation of the Basic Linear Algebra Subprograms (BLAS) library. It provides optimized routines for performing linear algebra operations, such as matrix multiplication and vector addition. Designed for high performance, it can take advantage of multi-core processors and various CPU architectures. The library is widely used in scientific computing, machine learning, and data analysis applications. OpenBLAS supports multiple programming languages, including C and Fortran, making it accessible for developers. Its ability to deliver efficient computations helps improve the performance of applications that rely on linear algebra.