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handbook-academy/engineering-handbook
Open-source High-Level System Design, DSA, and AI Engineering handbooks. CC BY-SA 4.0, Free Forever.
★ 871
Stars
94 forks · 8 open issues
+1.3/day
Growth · measured
Stars counted between two of our own snapshots roughly a week apart. The repository page gives the exact span.
29.5
Momentum / 100
see the breakdown below
6mo ago
Created
last push 13d ago
Star history
How this score was built
| Component | Weight | Earned | Why |
|---|---|---|---|
| Velocity | 55 | 6.9 | +1.3/day, log-scaled against a 750/day ceiling |
| Acceleration | 15 | 0.0 | last week ran 0.42× the monthly pace |
| Freshness | 15 | 14.2 | last push 13d ago; decays to zero at 180 days |
| Scale | 15 | 8.5 | 871 stars, log-scaled against 150k — stops a 3-star repo topping the board |
| Momentum | 100 | 29.5 | sum of the above |
Detail
| Topics | ai-agentsai-engineeringalgorithmsarchitecturedata-structureshldinterview-preparationllmragsystem-design |
| Matched on | RAG (rag) |
| Short window | +9 stars over 7 days = 1.3/day |
| Long window | +49 stars over 16 days = 3.1/day |
| Lifetime average | 4.90 stars/day over 178 days |
| First seen here | 2026-10-20 |
| Last read | 2d ago |