There are 2 repositories under computational-materials topic.
Curated list of known efforts in materials informatics, i.e. in modern materials science
mechanoChemML library
Code implementation of PolyCL
A "sky-scanner" Optimade browser-only GUI
A suite of scripts and modules that perform menial, tedious and repetitive tasks and operations on VASP files that were hurriedly and haphazardly put together by some intern.
Tools for handling Wannier models with a spin operator, calculating the Wannier model quality and spin-texture plotting.
The optical properties of 2D materials with the VASP code
Basin-Hopping Monte Carlo (BHMC) algorithm coupled with density functional theory (Quantum espresso) package for unbiased global optimization of clusters and nanoparticles