In an evaluation comprising less than half a year's time and half an FTE of cumulative effort, the Productivity and Sustainability Improvement Planning (PSIP) methodology was gainfully employed to effect key process improvements in the HDF5 project: the introduction of a docs-like-code workflow for documentation, migration of the HDF5 code base to GitHub, and the adoption of coding standards with the flexibility to permit automated conversion. Some key takeaways are: