OpenHPC is a packaging meta-project that provides RPM spec files and build infrastructure for deploying a comprehensive HPC (High Performance Computing) software stack on Linux clusters. It does not contain a standalone application; rather it is a collection of hundreds of package recipes (spec files), source fetching and build ordering scripts, configuration templates, and a validation test suite. The repo enables system administrators to install MPI libraries, compilers, scientific libraries (GSL, FFTW, PETSc), parallel file system clients (Lustre, BeeGFS), resource managers (Slurm, Flux, OpenPBS), job schedulers, performance tools, containers (Charliecloud), and provisioning tools (Warewulf, xCAT). The core build logic includes scripts for SRPM building, dependency ordering (build_order.py), and spec file linting (check_spec.py). A containerized test cluster and documentation generator are also present. While primarily a packaging repository, it contains notable reusable components: a static site explorer for installation guides, a spec file validator, and a build order script.