Contributors · guardian/dev-school

Zoomable circles (number of contributors per file): 30 days | 90 days | 6 months | past year | all time

Files with only one contributor are shown as grey.

Contributors

Recent Contributors (9)

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

No contributors in past 30 days.

Past 31 to 90 days (3):

53781962+jamieb-gu

52038+rtyley

tom.wey

Past 91 to 180 days (6):

49187886+dskamiotis

43961396+cemms1

15894063+marjisound

ioannakok

tom.richards

roberto.tyley

Historical Contributors (6)

Last contributors more than 6 months ago

max.duval

demetrios.skamiotis

705427+georgeblahblah

37048459+bryophyta

hi

102960844+georges-gnm

Bots

Recent Bots (1)

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

Past 30 days (1):

49699333+dependabot[bot]

No bots in past 31 to 90 days.

No bots in past 91 to 180 days.

Historical Bots (0)

Last bots more than 6 months ago

Contributors Matrix (Per Month)

					-	1	1	4	7	1	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-
commits					-	2	1	5	12	2	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-
line churn					-	+497 -4	+1 -1	+782 -55	+5.3K -4.2K	+3K -3.5K	-	+1 -1	+1 -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	+1 -1	-
	30d	3m	1y	all time
Jamie B <53781962+jamieb-gu>	-	3 +498 / -5	11 +6.8K / -7K	23 +8.9K / -7.1K	-						-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Tom Wey <tom.wey>	-	1 +17 / -1	2 +28 / -4	2 +28 / -4	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Roberto Tyley <52038+rtyley>	-	1 +336 / -0	3 +1.2K / -554	3 +1.2K / -554	-	-	-			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Marjan Kalanaki <15894063+marjisound>	-	-	1 +65 / -51	1 +65 / -51	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Ioanna Kokkini <ioannakok>	-	-	1 +669 / -1	1 +669 / -1	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Demetrios Skamiotis <49187886+dskamiotis>	-	-	1 +110 / -8	6 +6.4K / -130	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Tom Richards <tom.richards>	-	-	1 +43 / -1	1 +43 / -1	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Roberto Tyley <roberto.tyley>	-	-	1 +1 / -1	1 +1 / -1	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Charlotte <43961396+cemms1>	-	-	2 +593 / -57	2 +593 / -57	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Pete F <37048459+bryophyta>	-	-	1 +1 / -1	1 +1 / -1	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Max Duval <hi>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-
George B <705427+georgeblahblah>	-	-	-	2 +1.1K / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Max Duval <max.duval>	-	-	-	14 +3.9K / -4.5K	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Demetrios Skamiotis <demetrios.skamiotis>	-	-	-	7 +4.4K / -102	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Georges Lebreton <102960844+georges-gnm>	-	-	-	1 +1 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bots Matrix (Per Month)

					-	1	1	1	1	1	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
commits					-	1	2	1	1	3	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
line churn					-	+3 -3	+9 -9	+3 -3	+3 -3	+382 -307	-	+24 -9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
	30d	3m	1y	all time
dependabot[bot] <49699333+dependabot[bot]>	1 +3 / -3	3 +12 / -12	10 +424 / -334	11 +454 / -364	-						-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

1 bot (1 commit):

#	Bot	First Commit	Latest Commit	Commits Count	Line Churn	File Updates (per extension)
1.	dependabot[bot] <49699333+dependabot[bot]>	2023-10-24	2026-09-11	1 (100%)	+3 / -3	json (1)

3 contributors (5 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn	File Updates (per extension)
1.	Jamie B <53781962+jamieb-gu>	2023-08-03	2026-09-03	3 (60%)	+498 / -5	md (3)
2.	Roberto Tyley <52038+rtyley>	2026-06-10	2026-07-14	1 (20%)	+336 / -0	md (1)
3.	Tom Wey <tom.wey>	2026-07-03	2026-07-15	1 (20%)	+17 / -1	md (1)

1 bot (3 commit):

#	Bot	First Commit	Latest Commit	Commits Count	Line Churn	File Updates (per extension)
1.	dependabot[bot] <49699333+dependabot[bot]>	2023-10-24	2026-09-11	3 (100%)	+12 / -12	json (4)

9 contributors (22 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Jamie B <53781962+jamieb-gu>	2023-08-03	2026-09-03	10 (45%)	+6.8K / -7K
2.	Demetrios Skamiotis <49187886+dskamiotis>	2023-08-01	2026-06-17	1 (4%)	+110 / -8
3.	Roberto Tyley <52038+rtyley>	2026-06-10	2026-07-14	3 (13%)	+1.2K / -554
4.	Tom Wey <tom.wey>	2026-07-03	2026-07-15	2 (9%)	+28 / -4
5.	Charlotte <43961396+cemms1>	2026-06-04	2026-06-04	2 (9%)	+593 / -57
6.	Marjan Kalanaki <15894063+marjisound>	2026-07-01	2026-07-01	1 (4%)	+65 / -51
7.	Ioanna Kokkini <ioannakok>	2026-06-19	2026-06-19	1 (4%)	+669 / -1
8.	Tom Richards <tom.richards>	2026-06-11	2026-06-11	1 (4%)	+43 / -1
9.	Roberto Tyley <roberto.tyley>	2026-06-10	2026-06-10	1 (4%)	+1 / -1

1 bot (8 commit):

#	Bot	First Commit	Latest Commit	Commits Count	Line Churn
1.	dependabot[bot] <49699333+dependabot[bot]>	2023-10-24	2026-09-11	8 (100%)	+400 / -325

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

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 180 days.

flowchart TB
    n0["53781962+jamieb-gu"]
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    n3["49699333+dependabot[bot]"]
    n4["15894063+marjisound"]
    n5["ioannakok"]
    n6["roberto.tyley"]
    n7["tom.wey"]
    n8["49187886+dskamiotis"]
    n9["tom.richards"]
    n0 ---|"9"| n1
    n1 ---|"4"| n2
    n0 ---|"2"| n2
    n3 ---|"2"| n0
    n4 ---|"1"| n0
    n5 ---|"1"| n1
    n1 ---|"1"| n6
    n6 ---|"1"| n2
    n7 ---|"1"| n0
    n8 ---|"1"| n0
    n9 ---|"1"| n0
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
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    linkStyle 1 stroke:#00688b93,stroke-width:4px
    linkStyle 2 stroke:#00688b70,stroke-width:2px
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Download: Mermaid (.mmd) (open online Mermaid editor)

- 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.	Jamie B <53781962+jamieb-gu>	Roberto Tyley <52038+rtyley>	9 shared files scala/original-docs/4-generics/slides.md server.ts scala/1-primitives-syntax-and-layout/slides.md scala/3-traits-and-classes/slides.md scala/2-collections-and-functions/slides.md scala/6-futures/slides.md scala/5-implicits/slides.md scala/4-generics/slides.md scala/original-docs/6-futures/slides.md
2.	Roberto Tyley <52038+rtyley>	Charlotte <43961396+cemms1>	4 shared files README.md .github/CODEOWNERS scala/1-primitives-syntax-and-layout/slides.md scala/1-primitives-syntax-and-layout/lesson-objectives.MD
3.	Jamie B <53781962+jamieb-gu>	Charlotte <43961396+cemms1>	2 shared files typescript/docs/session-outline.md scala/1-primitives-syntax-and-layout/slides.md
4.	dependabot[bot] <49699333+dependabot[bot]>	Jamie B <53781962+jamieb-gu>	2 shared files package-lock.json package.json
5.	Marjan Kalanaki <15894063+marjisound>	Jamie B <53781962+jamieb-gu>	1 shared file typescript/2-functions/slides.md
6.	Ioanna Kokkini <ioannakok>	Roberto Tyley <52038+rtyley>	1 shared file scala/original-docs/3-traits-and-classes/slides.md
7.	Roberto Tyley <52038+rtyley>	Roberto Tyley <roberto.tyley>	1 shared file .github/CODEOWNERS
8.	Roberto Tyley <roberto.tyley>	Charlotte <43961396+cemms1>	1 shared file .github/CODEOWNERS
9.	Tom Wey <tom.wey>	Jamie B <53781962+jamieb-gu>	1 shared file typescript/4-classes/slides.md
10.	Demetrios Skamiotis <49187886+dskamiotis>	Jamie B <53781962+jamieb-gu>	1 shared file typescript/1-intro-and-primitives/slides.md
11.	Tom Richards <tom.richards>	Jamie B <53781962+jamieb-gu>	1 shared file typescript/3-narrowing/slides.md

Most Connected Contributors

	Contributor	# connections	# commits
1.	Jamie B <53781962+jamieb-gu>	7	10
2.	Roberto Tyley <52038+rtyley>	4	3
3.	Charlotte <43961396+cemms1>	3	2
4.	Roberto Tyley <roberto.tyley>	2	1
5.	dependabot[bot] <49699333+dependabot[bot]>	1	8
6.	Tom Wey <tom.wey>	1	2
7.	Demetrios Skamiotis <49187886+dskamiotis>	1	1
8.	Marjan Kalanaki <15894063+marjisound>	1	1
9.	Ioanna Kokkini <ioannakok>	1	1
10.	Tom Richards <tom.richards>	1	1

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: 2.2

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.

10 contributors (24 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Jamie B <53781962+jamieb-gu>	2023-08-03	2026-09-03	11 (45%)	+6.8K / -7K
2.	Demetrios Skamiotis <49187886+dskamiotis>	2023-08-01	2026-06-17	1 (4%)	+110 / -8
3.	Roberto Tyley <52038+rtyley>	2026-06-10	2026-07-14	3 (12%)	+1.2K / -554
4.	Tom Wey <tom.wey>	2026-07-03	2026-07-15	2 (8%)	+28 / -4
5.	Charlotte <43961396+cemms1>	2026-06-04	2026-06-04	2 (8%)	+593 / -57
6.	Marjan Kalanaki <15894063+marjisound>	2026-07-01	2026-07-01	1 (4%)	+65 / -51
7.	Ioanna Kokkini <ioannakok>	2026-06-19	2026-06-19	1 (4%)	+669 / -1
8.	Tom Richards <tom.richards>	2026-06-11	2026-06-11	1 (4%)	+43 / -1
9.	Roberto Tyley <roberto.tyley>	2026-06-10	2026-06-10	1 (4%)	+1 / -1
10.	Pete F <37048459+bryophyta>	2026-03-16	2026-03-16	1 (4%)	+1 / -1

1 bot (10 commit):

#	Bot	First Commit	Latest Commit	Commits Count	Line Churn
1.	dependabot[bot] <49699333+dependabot[bot]>	2023-10-24	2026-09-11	10 (100%)	+424 / -334