There are 1 repository under load-flow topic.
A powerful 3-phase load flow solver, by Roseau Technologies
LightSim2grid implements a c++ backend targeting the Grid2Op (https://github.com/rte-france/grid2op) platform.
An open source loadflow based on PowSyBl
Python notebooks demonstrating PyPowSyBl features
Paper published in the CIRED 2024 Workshop in Vienna
Backward forward sweep load flow for distribution systems
Electrical Engineering research work