C++ · GPL-3.0
MarlinFirmware/Marlin
Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
★ 17.6k
Stars
19.7k forks · 726 open issues
+6.0/wk
Growth · measured
Stars counted between two of our own snapshots roughly a week apart. The repository page gives the exact span.
32.4
Momentum / 100
see the breakdown below
15y ago
Created
last push 3d ago
Star history
How this score was built
| Component | Weight | Earned | Why |
|---|---|---|---|
| Velocity | 55 | 5.1 | +6.0/wk, log-scaled against a 750/day ceiling |
| Acceleration | 15 | 0.0 | last week ran 0.80× the monthly pace |
| Freshness | 15 | 15.0 | last push 3d ago; decays to zero at 180 days |
| Scale | 15 | 12.3 | 17.6k stars, log-scaled against 150k — stops a 3-star repo topping the board |
| Momentum | 100 | 32.4 | sum of the above |
Detail
| Topics | 3d-printingarduinoatmelavresp32firmwarehacktoberfestreprapstmicro |
| Matched on | Mechatronics (3d-printing, esp32, firmware) |
| Short window | +6 stars over 7 days = 0.9/day |
| Long window | +28 stars over 26 days = 1.1/day |
| Lifetime average | 3.17 stars/day over 5,563 days |
| First seen here | 2026-10-11 |
| Last read | 2d ago |