PyPI93Exceptionalhealth index
Python★ 1,645↓ 209.8K/moSep 12, 2026
PyPI93Exceptionalhealth index

epam/IndigoUniversal cheminformatics toolkit, utilities and database search tools
C++ · Python★ 408↓ 128.1K/moOct 5, 2026
PyPI92Excellenthealth index
Python★ 494Sep 19, 2026
PyPI91Excellenthealth index

MolSSI/QCEngineQuantum chemistry program executor and IO standardizer (QCSchema).
Python★ 210↓ 5,268/moOct 19, 2026
PyPI91Excellenthealth index

Quantum-Accelerators/quaccquacc is a flexible platform for computational materials science and quantum chemistry that is built for the big data era.
Python★ 291↓ 6,940/moSep 18, 2026
PyPI90Excellenthealth index

jepegit/cellpyextract and tweak data from electrochemical tests of cells
Python★ 107↓ 2,072/moSep 10, 2026
PyPI87Excellenthealth index

MolSSI/QCElementalPeriodic table, physical constants, and molecule parsing for quantum chemistry.
Python★ 201Sep 16, 2026
npm86Excellenthealth index

janosh/mattervizInteractive browser visualizations for materials science: crystal structures/molecules, trajectories, convex hulls, phase diagrams, Fermi surfaces, bands+DOS, Brillouin zones, etc.
TypeScript · Svelte★ 359↓ 3,430/moSep 8, 2026
PyPI · npm · crates.io86Excellenthealth index
TypeScript · Rust★ 31↓ 3,848/moOct 18, 2026
Maven84Excellenthealth index

cdk/cdkThe Chemistry Development Kit
Java★ 608Oct 19, 2026
npm · PyPI84Excellenthealth index

mat3ra/madeMaterials Design library. A JavaScript/TypeScript and Python library allowing for the creation and manipulation of material structures from atoms up.
Python · TypeScript★ 8↓ 3,329/moSep 5, 2026
PyPI83Excellenthealth index

CalebBell/thermoThermodynamics and Phase Equilibrium component of Chemical Engineering Design Library (ChEDL)
Python★ 784↓ 327.2K/moSep 12, 2026
PyPI83Excellenthealth index
Python★ 2,461↓ 94.4K/moSep 9, 2026
PyPI83Excellenthealth index

lmmentel/mendeleevA python package for accessing various properties of elements, ions and isotopes in the periodic table of elements.
Python · Jupyter Notebook★ 298↓ 183.3K/moAug 23, 2026
C#★ 28Sep 17, 2026
PyPI81Excellenthealth index
C++ · Python★ 19↓ 112/moSep 10, 2026
npm81Excellenthealth index
Java★ 90↓ 97K/moSep 18, 2026
npm81Excellenthealth index
TypeScript · JavaScript★ 15↓ 9,776/moSep 8, 2026
npm81Excellenthealth index

cyanheads/pubchem-mcp-serverSearch the PubChem chemical database for compounds, properties, safety data, bioactivity, cross-references, and entity summaries via MCP. STDIO or Streamable HTTP.
TypeScript★ 10↓ 2,124/moOct 20, 2026
crates.io81Excellenthealth index

kent-tokyo/chematicA pure-Rust cheminformatics library targeting RDKit feature parity — zero C/C++ by default.
Rust · Python★ 28↓ 8,688/moSep 9, 2026

abhishektiwari/hbatHBAT 2: A Python Package to analyse Hydrogen Bonds and Other Non-covalent Interactions in Macromolecular Structures https://hbat-web.abhishek-tiwari.com
Python★ 11↓ 17.3K/moSep 16, 2026
Python★ 540↓ 78.9K/moSep 19, 2026
PyPI · crates.io77Goodhealth index

kent-tokyo/renkinLocal and reproducible route auditing for AiZynthFinder, Syntheseus and RENKIN — plus a portable Rust retrosynthesis engine.
Rust · Python★ 4↓ 58.4K/moSep 13, 2026
PyPI · crates.io75Goodhealth index
Rust★ 0↓ 2,306/moSep 8, 2026
Python · C++★ 42↓ 384/moSep 11, 2026

peterspackman/chmpySpherical harmonic shape descriptors, promolecule densities, isosurfaces and Hirshfeld surfaces in python
Python★ 29↓ 715/moOct 19, 2026
C++★ 34Sep 18, 2026
npm · PyPI73Goodhealth index
TypeScript★ 1↓ 4,187/moSep 5, 2026
PyPI · crates.io73Goodhealth index
Rust · C++★ 2↓ 9,932/moSep 18, 2026

lukasturcani/stkA Python library which allows construction and manipulation of complex molecules, as well as automatic molecular design and the creation of molecular databases.
Python★ 291↓ 5,559/moOct 11, 2026