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MarlinFirmware/Marlin - GitHub Explorer | GitHub Explorer | Trending | Compare

Marlin

MarlinFirmware•PUBLIC

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.

3d-printingarduinoatmelavresp32firmware

GNU General Public License v3.0

Created on Aug 13, 2011

Updated on Apr 10, 2026

Stars

17.4k

Forks

19.7k

Watchers

17.4k

Open Issues

804

Repository Health Score

💚

95/100

Excellent

Overall repository health assessment

Score Breakdown

Activity

Active development - updated this week

30/30

100%

hacktoberfest

reprap

stmicro

Community

17,363 stars, 19,685 forks

30/30

100%

Documentation

Has description, license

15/20

75%

Maintenance

4.6% issue ratio

20/20

100%

Health score is calculated based on activity, community engagement, documentation quality, and maintenance practices

Languages

C++

77.7%

C

19.9%

Python

0.8%

Linker Script

0.6%

Shell

0.4%

JavaScript

0.1%

Makefile

0.1%

HTML

0.1%

Assembly

0.0%

CMake

0.0%

Issues Analytics

43

Total Issues

All time

23

Open

53% of total

20

Closed

47% of total

5d

Avg Close Time

Fast response ✅

Issues Activity: Last 6 months

Top Labels

Hottest Issues

1

#28321 [FR] Any hopes for smoothed linear advance on 8-bits boards?

T: Feature Request

71

closed

2

#28290 [FR] non-linear advance

T: Feature Request

56

open

3

#28359 [BUG] FT_MOTION produces smaller hole diameter vs standard motion

Bug: Potential ?

22

open

4

#28324 [BUG] Y axis homing checking for X axis endstop with FT_MOTION

18

closed

5

#28289 [FR] Auto S-curve Acceleration

T: Feature Request

12

closed

Dependencies

No package.json found

This might not be a Node.js project

Recent Commits

[cron] Bump distribution date (2026-04-05)

thinkyhead•5 days ago

d41a29dView on GitHub

🌡️🚸 Set hotend idle timer in M25 (#27968)

vehystrix•5 days ago

d41f1bbView on GitHub

🔧 Merged MP_SCARA + MORGAN_SCARA (#28357)

dekutree64•5 days ago

f01583eView on GitHub

🧑‍💻 Migrate to python3 (#28337)

narno2202•5 days ago

e6d5ae6View on GitHub

🚸 DWIN status msg, temp fixes (#28269)

Andrew•5 days ago

7f8bbfeView on GitHub

[cron] Bump distribution date (2026-03-30)

thinkyhead•1 week ago

993d188View on GitHub

🐛 Fix LPC1768 timer issues (#28374)

Copilot•1 week ago

b2fde58View on GitHub

[cron] Bump distribution date (2026-03-29)

thinkyhead•1 week ago

6b41cafView on GitHub

🚸 Filter errant double-click (#28312)

David Buezas•1 week ago

e872303View on GitHub

🐛 Fix endless PID with "M303 C" less than 3

Scott Lahteine•1 week ago

229fce8View on GitHub

🩹 Fix Move Menu inch units display (#28363)

DerAndere•1 week ago

2cf6b3dView on GitHub

🐛 Fix PID autotune cleanup (#28375)

ellensp•1 week ago

7e0077aView on GitHub

[cron] Bump distribution date (2026-03-28)

thinkyhead•1 week ago

ca21e7aView on GitHub

🌡️ Wrap non-atomic raw ADC

Scott Lahteine•1 week ago

19746f7View on GitHub

🧑‍💻 Use raw temp accessors

Scott Lahteine•1 week ago

72c7874View on GitHub

View all commits

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1

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