LinearSolve.jl: High-Performance Unified Interface for Linear Solvers in Julia. Easily switch between factorization and Krylov methods, add preconditioners, and all in one interface.

A framework for high-performance domain decomposition methods.

Local Fourier Analysis for arbitrary order finite element type operators

A library of parallel sparse preconditionersfor PSBLAS

A Robust Algebraic Domain Decomposition Preconditioner For Sparse Normal Equations

Fine-grain parallel iterative methods

MATLAB/Octave interface for HIFIR (https://github.com/hifirworks/hifir)

Python interface for HIFIR (https://github.com/hifirproject/hifir)

A Python implementation of Generalized Fused Lasso from https://arxiv.org/pdf/1801.05413.pdf

KSPHPDDM and PCHPDDM