Konnektor is an open-source Python 3 38 package under the MIT license. The source code can be retrieved from GitHub: . Alternatively, the package can be installed via PyPI 39 or conda-forge. The package is built into the OpenFE environment by making use of the reusable abstract base classes and tools under the gufe package (). As the base, or translation, layer of OpenFE, gufe provides a common set of base types for representing components of alchemical simulations, allowing seamless development of new features and interaction with different packages in the OpenFE environment. For further information about the architecture of the OpenFE environment, see .