JetBrains / Grammar-Kit Contributors

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Contributors

Recent Contributors (2)

Committed in past 6 months (a rookie = the first commit in past year)

No contributors in past 30 days.

Past 31 to 90 days (2):

maxim.medvedev@jetbrains.com

alexandr.evstigneev@jetbrains.com

No contributors in past 91 to 180 days.

Historical Contributors (21)

Last contributors more than 6 months ago

gregory.shrago@jetbrains.com

yann.cebron@jetbrains.com

daniil.ovchinnikov@jetbrains.com

jakub.chrzanowski@jetbrains.com

jakub@chrzanowski.info

alexander.zolotov@jetbrains.com

ignatovs@gmail.com

sl.aleksandr28@gmail.com

yann.cebron@googlemail.com

sergey.ignatov@jetbrains.com

lytvyn.michael@gmail.com

lokomot476@gmail.com

daniil.tsaryov@gmail.com

hakkanx@gmail.com

action@github.com

beskvlad@gmail.com

calexhg@users.noreply.github.com

coreylubin+vcs-mail@gmail.com

sebastian.zarnekow@itemis.de

jonsson.peter.a@gmail.com

ligasgr@gmail.com

Contributors Matrix (Per Month)

	Commits (3m)	Commit Days	-	1	2	-	-	-	1	2	1	-	-	-	4	-	1	1	2	-	1	1	3	-	-	-	-
Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	4	3	-			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Max Medvedev <maxim.medvedev@jetbrains.com>	5	6	-	-		-	-	-		-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jakub Chrzanowski <jakub@chrzanowski.info>	-	2	-	-	-	-	-	-	-		-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-
Mykhailo Lytvyn <lytvyn.michael@gmail.com>	-	1	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Yann Cébron <yann.cebron@jetbrains.com>	-	14	-	-	-	-	-	-	-	-	-	-	-	-		-				-				-	-	-	-
Alexey Gerasimov <lokomot476@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-
Daniil Tsarev <daniil.tsaryov@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-
KrylovBoris <hakkanx@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-
Aleksandr <sl.aleksandr28@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
Yann Cébron <yann.cebron@googlemail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
Gregory Shrago <gregory.shrago@jetbrains.com>	-	467	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jakub Chrzanowski <jakub.chrzanowski@jetbrains.com>	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
GitHub Action <action@github.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
vlad20012 <beskvlad@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Daniil Ovchinnikov <daniil.ovchinnikov@jetbrains.com>	-	9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Corey <calexhg@users.noreply.github.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Sergey Ignatov <ignatovs@gmail.com>	-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Corey Lubin <coreylubin+vcs-mail@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Sebastian Zarnekow <sebastian.zarnekow@itemis.de>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Peter A. Jonsson <jonsson.peter.a@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Sergey Ignatov <sergey.ignatov@jetbrains.com>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ligasgr <ligasgr@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Alexander Zolotov <alexander.zolotov@jetbrains.com>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bots Matrix (Per Month)

Commits
(3m)

Commit
Days

-

No commits in past 30 days.

2 contributors (9 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	File Updates (per extension)
1.	Max Medvedev <maxim.medvedev@jetbrains.com>	2019-02-06	2025-11-28	5 (55%)	xml (4), gitignore (1), kts (1), toml (1)
2.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	2020-11-11	2025-12-15	4 (44%)	java (9), xml (2), bnf (2), html (2), gitignore (1)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 90 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
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	Contributor 1	Contributor 2	# shared files
1.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	Max Medvedev <maxim.medvedev@jetbrains.com>	1 shared file .gitignore

Most Connected Contributors

	Contributor	# connections	# commits
1.	Max Medvedev <maxim.medvedev@jetbrains.com>	1	5
2.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	1	4

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.0

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

2 contributors (9 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	Max Medvedev <maxim.medvedev@jetbrains.com>	2019-02-06	2025-11-28	5 (55%)
2.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	2020-11-11	2025-12-15	4 (44%)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 180 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	Max Medvedev <maxim.medvedev@jetbrains.com>	1 shared file .gitignore

Most Connected Contributors

	Contributor	# connections	# commits
1.	Max Medvedev <maxim.medvedev@jetbrains.com>	1	5
2.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	1	4

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.0

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

6 contributors (26 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	Yann Cébron <yann.cebron@jetbrains.com>	2024-05-08	2025-01-29	2 (7%)
2.	Jakub Chrzanowski <jakub@chrzanowski.info>	2025-01-16	2025-06-30	11 (42%)
3.	Max Medvedev <maxim.medvedev@jetbrains.com>	2019-02-06	2025-11-28	7 (26%)
4.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	2020-11-11	2025-12-15	4 (15%)
5.	Mykhailo Lytvyn <lytvyn.michael@gmail.com>	2025-06-26	2025-06-26	1 (3%)
6.	Alexey Gerasimov <lokomot476@gmail.com>	2025-01-29	2025-01-29	1 (3%)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 365 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Jakub Chrzanowski <jakub@chrzanowski.info>	Yann Cébron <yann.cebron@jetbrains.com>	3 shared files
2.	Jakub Chrzanowski <jakub@chrzanowski.info>	Max Medvedev <maxim.medvedev@jetbrains.com>	2 shared files
3.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	Max Medvedev <maxim.medvedev@jetbrains.com>	1 shared file .gitignore
4.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	Mykhailo Lytvyn <lytvyn.michael@gmail.com>	1 shared file .idea/vcs.xml

Most Connected Contributors

	Contributor	# connections	# commits
1.	Jakub Chrzanowski <jakub@chrzanowski.info>	2	11
2.	Max Medvedev <maxim.medvedev@jetbrains.com>	2	7
3.	Alexandr Evstigneev <alexandr.evstigneev@jetbrains.com>	2	4
4.	Yann Cébron <yann.cebron@jetbrains.com>	1	2
5.	Mykhailo Lytvyn <lytvyn.michael@gmail.com>	1	1
6.	Alexey Gerasimov <lokomot476@gmail.com>	0	1

C-median: 2.0

A half of the contributors has more than 2.0 connections, and a half has less than this number.

C-mean: 1.6

An average number of connections a contributor has with other contributors.

C-index: 2.0

There are 2.0 contributors with 2.0 or more connections.

Contributors' details...