Repository
checkcheckzz/system-design-interview
System design interview for IT companies
★ 23.9k
Stars
5.3k forks · 26 open issues
+1.4/day
Growth · measured
Stars counted between two of our own snapshots roughly a week apart. The repository page gives the exact span.
20.1
Momentum / 100
see the breakdown below
12y ago
Created
last push 3y ago
Star history
How this score was built
| Component | Weight | Earned | Why |
|---|---|---|---|
| Velocity | 55 | 7.4 | +1.4/day, log-scaled against a 750/day ceiling |
| Acceleration | 15 | 0.0 | last week ran 0.79× the monthly pace |
| Freshness | 15 | 0.0 | last push 3y ago; decays to zero at 180 days |
| Scale | 15 | 12.7 | 23.9k stars, log-scaled against 150k — stops a 3-star repo topping the board |
| Momentum | 100 | 20.1 | sum of the above |
Detail
| Topics | design-systemsinterviewinterview-preparationinterview-questionssystemsystem-design |
| Matched on | Learning & Roadmaps (interview-questions) |
| Short window | +10 stars over 7 days = 1.4/day |
| Long window | +47 stars over 26 days = 1.8/day |
| Lifetime average | 5.24 stars/day over 4,554 days |
| First seen here | 2026-10-11 |
| Last read | 2d ago |