A flexible package manager that supports multiple versions, configurations, platforms, and compilers.

Lightweight, general, scalable C++ library for finite element methods

Compressed numerical arrays that support high-speed random access

Parallel solvers for sparse linear systems featuring multigrid methods.

Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and minor changes.

RAJA Performance Portability Layer (C++)

VisIt - Visualization and Data Analysis for Mesh-based Scientific Data

Caliper is an instrumentation and performance profiling library

An application-focused API for memory management on NUMA & GPU architectures

A streamlined CMake build system foundation for developing HPC software

Lightweight OpenGL tool for accurate and flexible finite element visualization

Livermore Big Artificial Neural Network Toolkit

Structured Adaptive Mesh Refinement Application Infrastructure - a scalable C++ framework for block-structured AMR application development

Simplified Data Exchange for HPC Simulations

HPC solver for nonlinear optimization problems

A flyweight in situ visualization and analysis runtime for multi-physics HPC simulations

core services for the Flux resource management framework

CS infrastructure components for HPC applications

A tool to easily orchestrate general computational workflows both locally and on supercomputers

Machine Learning for HPC Workflows