If you find a repo that contains only links to where to buy the book plus original diagrams created by the repo owner, that is the gold standard of ethical "repacking."
The standout contribution of this book is the RESHADED acronym, a checklist to ensure you cover every corner of a system design prompt: hacking the system design interview pdf github repack
If you are looking for community-repacked notes, PDFs, or structured summaries, these GitHub repositories are the industry standards: System Design Primer If you find a repo that contains only
: Deep dives into servers, load balancers, API gateways, and distributed caches. or structured summaries