The official SuiteSparse library: a suite of sparse matrix algorithms authored or co-authored by Tim Davis, Texas A&M University.

While this might sound all too familiar to fans of The Matrix, this bold idea could solve ... the images on that 2D surface appear to have depth because of how they are projected onto it.

Matrix multiplication on GPUs for matrices stored on a CPU. Similar to cublasXt, but ported to both NVIDIA and AMD GPUs.