System Design Primer
freeCanonical free system design reference
296 open PRs backlog but base content remains the free canon. Anki flashcards included.
| URL | https://github.com/donnemartin/system-design-primer |
| Tier | free |
| Relevance | medium |
| Last active signal | Merges slow but content authoritative |
| Verified alive | yes |
| Category | Interview prep |