The Fermionic Quantum Emulator (FQE) is a fermionic simulation research tool specializing in quantum circuits emulating fermion dynamics.

High-Performance Tensor Transpose library

general GTO integrals for quantum chemistry

CheMPS2: a spin-adapted implementation of DMRG for ab initio quantum chemistry

Libint: high-performance library for computing Gaussian integrals in quantum mechanics

Diagonalization of quaternionic matrices to yield symmetry-adapted eigenvectors.

Brilliantly Advanced General Electronic-structure Library

Stone-age program for arbitrary-order CC and CC-F12 (2007-2009)

Provides roots and weights for Rys-like quadrature in Slater/Yukawa integral evaluation

SMITH3 generates efficient code for CASPT2 nuclear gradient (and beyond)

Automated code generation program for general order CC and CC-F12 methods