quantumlib/OpenFermion

Health v2 · maintenance only

Adoption not part of the score

1731 stars · 432 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

OpenFermion is an open-source Python library for compiling and analyzing quantum algorithms that simulate fermionic systems, including quantum chemistry. It provides data structures and tools for representing and manipulating fermionic and qubit Hamiltonians, with a plugin ecosystem for circuit simulation and classical electronic structure calculations.

Use cases

• simulate fermionic systems on quantum computers
• translate quantum chemistry problems into quantum circuits
• build and manipulate fermionic and qubit Hamiltonians
• compute molecular ground state energies with quantum algorithms
• model Hubbard models and lattice Hamiltonians
• prepare electronic structure calculations for quantum hardware
• research quantum algorithms for materials science

When to choose

• you need to simulate fermionic or quantum chemistry systems on quantum hardware or simulators
• you want efficient data structures for fermionic operators and Hamiltonians
• you work with Cirq or Google Quantum AI tooling
• you need a plugin-based ecosystem combining chemistry and quantum circuit compilation

When to avoid

• you only need classical computational chemistry without quantum computing
• you need a general-purpose quantum circuit framework rather than chemistry-focused tools
• you require Windows-native support for electronic structure plugins without Docker

Facets

library · maturity active

simulation sdk compiler math quantum-computing chemistry machine-learning python windows quantum-chemistry fermionic-systems electronic-structure quantum-circuits cirq hamiltonian-simulation quantum-simulation algorithms linux macos docker

Member repositories

For agents

markdown · JSON · MCP: product_card(name="quantumlib/OpenFermion")