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.

C++

17.6k

16k

1,189 contributors

GNU General Public License v3.0

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Activity and trending

Stars, forks and merged pull requests each day or month, lined up with the repository's rank on Trendshift Trending

Aug 14 – Oct 12, 2026

Stars +96 in 60 days

Forks +81 in 60 days

Merged PRs 93 in 60 days

Trendshift Trendingwhere the repository ranked each day it made the top 25

Not in the Trendshift top 25 in this period

Aug 14Aug 22Aug 30Sep 7Sep 15Sep 23Oct 1Oct 9

Stars, forks, merged pull requests and Trendshift Trending rank, by day
Day	Stars gained	Forks gained	Merged PRs
Fri, Aug 14, 2026	+3	+1	0
Sat, Aug 15, 2026	+3	+1	0
Sun, Aug 16, 2026	+1	+0	4
Mon, Aug 17, 2026	+3	+1	0
Tue, Aug 18, 2026	+2	+2	0
Wed, Aug 19, 2026	+0	+2	0
Thu, Aug 20, 2026	+2	+1	0
Fri, Aug 21, 2026	+2	+0	0
Sat, Aug 22, 2026	+1	+0	0
Sun, Aug 23, 2026	+1	+0	0
Mon, Aug 24, 2026	+1	+5	3
Tue, Aug 25, 2026	+0	+0	1
Wed, Aug 26, 2026	+0	+2	0
Thu, Aug 27, 2026	+3	+1	0
Fri, Aug 28, 2026	+3	+1	1
Sat, Aug 29, 2026	+0	+3	0
Sun, Aug 30, 2026	+1	+3	0
Mon, Aug 31, 2026	+2	+0	2
Tue, Sep 1, 2026	+4	+4	2
Wed, Sep 2, 2026	+0	+1	5
Thu, Sep 3, 2026	+3	+1	0
Fri, Sep 4, 2026	+3	+2	0
Sat, Sep 5, 2026	+1	+3	6
Sun, Sep 6, 2026	+4	+1	0
Mon, Sep 7, 2026	+2	+0	3
Tue, Sep 8, 2026	+2	+2	0
Wed, Sep 9, 2026	+0	+1	0
Thu, Sep 10, 2026	+2	+2	0
Fri, Sep 11, 2026	+1	+1	0
Sat, Sep 12, 2026	+0	+2	0
Sun, Sep 13, 2026	+1	+1	0
Mon, Sep 14, 2026	+3	+2	0
Tue, Sep 15, 2026	+4	+1	0
Wed, Sep 16, 2026	+0	+1	0
Thu, Sep 17, 2026	+0	+1	2
Fri, Sep 18, 2026	+4	+0	2
Sat, Sep 19, 2026	+0	+2	0
Sun, Sep 20, 2026	+0	+1	1
Mon, Sep 21, 2026	+1	+1	0
Tue, Sep 22, 2026	+0	+0	1
Wed, Sep 23, 2026	+0	+4	0
Thu, Sep 24, 2026	+2	+0	1
Fri, Sep 25, 2026	+2	+1	6
Sat, Sep 26, 2026	+2	+0	4
Sun, Sep 27, 2026	+3	+3	3
Mon, Sep 28, 2026	+5	+2	5
Tue, Sep 29, 2026	+6	+3	2
Wed, Sep 30, 2026	+0	+3	8
Thu, Oct 1, 2026	+1	+0	1
Fri, Oct 2, 2026	+1	+1	8
Sat, Oct 3, 2026	+1	+0	9
Sun, Oct 4, 2026	+1	+1	0
Mon, Oct 5, 2026	+0	+2	0
Tue, Oct 6, 2026	+0	+3	0
Wed, Oct 7, 2026	+6	+1	1
Thu, Oct 8, 2026	+0	+2	2
Fri, Oct 9, 2026	+1	+1	6
Sat, Oct 10, 2026	+0	+1	1
Sun, Oct 11, 2026	+2	+0	3
Mon, Oct 12, 2026	+0	+0	0
Total	+96	+81	93

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