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    • A massively-parallel, block-sparse tensor framework written in C++
      C++
      GNU General Public License v3.0
      59314386Updated Apr 24, 2026Apr 24, 2026
    • SeQuant

      Public
      SeQuant: Symbolic Algebra of Tensors over Operators and Scalars
      C++
      Other
      828194Updated Apr 23, 2026Apr 23, 2026
    • C++ standard-compliant adaptors for LLNL/Umpire's allocators
      CMake
      MIT License
      0100Updated Apr 1, 2026Apr 1, 2026
    • BTAS

      Public
      Basic Tensor Algebra Subroutines
      C++
      BSD 3-Clause "New" or "Revised" License
      2049192Updated Feb 9, 2026Feb 9, 2026
    • kit-cmake

      Public
      cmake modules and toolchains
      CMake
      BSD 2-Clause "Simplified" License
      4001Updated Feb 9, 2026Feb 9, 2026
    • DevOps

      Public
      C++
      0000Updated Feb 3, 2026Feb 3, 2026
    • mpqc-docs

      Public
      hosts documentation for MPQC
      HTML
      1100Updated Nov 13, 2025Nov 13, 2025
    • libintx

      Public
      C++
      Other
      122541Updated Nov 5, 2025Nov 5, 2025
    • libint

      Public
      Libint: high-performance library for computing Gaussian integrals in quantum mechanics
      C++
      Other
      107100Updated Oct 16, 2025Oct 16, 2025
    • pybind11

      Public
      Seamless operability between C++11 and Python
      C++
      Other
      2.3k000Updated Oct 6, 2025Oct 6, 2025
    • Valeev Group website
      HTML
      GNU General Public License v2.0
      0007Updated Jun 21, 2025Jun 21, 2025
    • ExchCXX

      Public
      Exchange correlation (XC) library for density functional theory (DFT) calculations in modern C++
      C++
      Other
      24000Updated Apr 7, 2025Apr 7, 2025
    • Umpire

      Public
      An application-focused API for memory management on NUMA & GPU architectures
      C++
      MIT License
      64000Updated Jul 29, 2024Jul 29, 2024
    • Thin, unified, C++-flavored wrappers for the CUDA APIs
      C++
      BSD 3-Clause "New" or "Revised" License
      87000Updated Sep 6, 2023Sep 6, 2023
    • mpqc

      Public
      The Massively Parallel Quantum Chemistry program, MPQC, computes properties of atoms and molecules from first principles using the time independent Schrödinger …
      C++
      268050Updated Aug 8, 2023Aug 8, 2023
    • Librett

      Public
      C++
      MIT License
      5000Updated Jul 21, 2023Jul 21, 2023
    • ttg_fork

      Public
      TTG: Template Task Graph C++ API
      C++
      15000Updated Apr 20, 2023Apr 20, 2023
    • TTG: Template Task Graph C++ API
      C++
      15000Updated Apr 20, 2023Apr 20, 2023
    • SeQuant1

      Public
      SeQuant: second quantization toolkit
      GNU General Public License v3.0
      71600Updated Nov 19, 2022Nov 19, 2022
    • CMake
      BSD 3-Clause "New" or "Revised" License
      6000Updated Apr 27, 2022Apr 27, 2022
    • Makefile
      0000Updated Jan 15, 2021Jan 15, 2021
    • GauXC

      Public
      GauXC is a modern, modular C++ library for the evaluation of quantities related to the exchange-correlation (XC) energy (e.g. potential, etc) in the Gaussian ba…
      C++
      Other
      35000Updated Jan 14, 2021Jan 14, 2021
    • C++17 Wrapper for ScaLAPACK
      C++
      3000Updated May 7, 2020May 7, 2020
    • blacspp

      Public
      Modern C++ (C++17) wrappers for BLACS
      C++
      2000Updated May 7, 2020May 7, 2020
    • cutt

      Public
      CUDA Tensor Transpose (cuTT) library
      C++
      29000Updated Apr 13, 2020Apr 13, 2020
    • spack

      Public
      A flexible package manager that supports multiple versions, configurations, platforms, and compilers.
      Python
      GNU Lesser General Public License v2.1
      2.4k000Updated Aug 28, 2018Aug 28, 2018
    • Elemental

      Public
      Distributed-memory, arbitrary-precision, dense and sparse-direct linear algebra, conic optimization, and lattice reduction
      C++
      Other
      112000Updated Jun 22, 2018Jun 22, 2018
    • madness

      Public
      Multiresolution Adaptive Numerical Environment for Scientific Simulation
      C++
      GNU General Public License v2.0
      72000Updated May 30, 2018May 30, 2018
    • iTEBD

      Public
      Test code for prototyping the parallel iTEBD calculation
      C++
      1000Updated Apr 10, 2015Apr 10, 2015
    • MBEq

      Public
      Derives equations in many-body quantum mechanics
      Python
      GNU General Public License v2.0
      0000Updated Feb 11, 2014Feb 11, 2014
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