apache / daffodil - Contributors

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 (5)

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

Past 30 days (3):

slawrence@apache.org

scala_steward@virtuslab.com

jadams@owlcyberdefense.com

Past 31 to 90 days (2):

50379531+olabusayot@users.noreply.github.com

mbeckerle@apache.org

No contributors in past 91 to 180 days.

Historical Contributors (74)

Last contributors more than 6 months ago

jchab@tresys.com

mbeckerle@tresys.com

mbeckerle.dfdl@gmail.com

slawrence@tresys.com

twise@tresys.com

pchu@tresys.com

efinnegan@treys.com

jadams@tresys.com

efinnegan@tresys.com

me@scala-steward.org

jeffrey.jacobs@nrl.navy.mil

interran@research.ge.com

npatrick@tresys.com

mmcgann@owlcyberdefense.com

stephanie.huber.ctr@rl.af.mil

jsolt@tresys.com

bsloane@tresys.com

dthompson@localhost.localdomain

watashi

ssustrich@tresys.com

katlic@ge.com

rsteinberger@tresys.com

okilo@tresys.com

wassj@ctc.com

efahl@tresys.com

dthompson@tresys.com

jcranford@mitre.org

1cemo2tb

alonza.b.mumford@ugov.gov

slawrence@owlcyberdefense.com

shanedell100@gmail.com

paul@pchu.(none)

aparker@owlcyberdefense.com

motto@tresys.com

aseyler@tresys.com

darklord@chevaldetemp.(none)

vzaver@owlcyberdefense.com

maung@owlcyberdefense.com

samarth.sah@walmartlabs.com

mcgrath@ncsa.illinois.edu

arevello@owlcyberdefense.com

sramaka@tresys.com

icarlson@owlcyberdefense.com

37781645+rmw42@users.noreply.github.com

baker_jacob@bah.com

6136107+atriviality@users.noreply.github.com

jhutchings1@users.noreply.github.com

arevello@n12157207.columbia.tresys.com

brnnnfx@users.noreply.github.com

dsmallwood@tresys.com

sandeep.kumar0@walmartlabs.com

icarlson@owlcybersecurity.com

jwass3@gmail.com

regis.thomas@nteligen.com

clin4j@googlemail.com

--global

icarlson@tresys.com

andrewjchafos@gmail.com

claude.mamo@gmail.com

kurt.baumann@sbb.ch

gezapeti@apache.org

btsloane@verizon.net

dineshchitlangia@gmail.com

marshall@quarksecurity.com

nick.smith@finastra.com

30659277+jadams-tresys@users.noreply.github.com

bfinnegan@cynicaljedi.(none)

jadams1217@gmail.com

pchu@n0005436.columbia.tresys.com

aseyler@tel4666.columbia.tresys.com

jwc@mm191476-vm.mitre.org

mbeckerle@tuna.(none)

nobody@example.org

mchenry@illinois.edu

Contributors Matrix (Per Month)

	Commits (3m)	Commit Days	1	3	3	4	3	4	4	2	4	4	2	3	4	3	5	5	4	5	4	3	4	4	3	3	3
jadams@owlcyberdefense.com	1	27		-	-	-			-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
slawrence@apache.org	7	288	-						-	-												-			-
scala_steward@virtuslab.com	6	116	-
50379531+olabusayot@users.noreply.github.com	28	81	-				-	-				-	-	-	-			-	-	-	-	-	-			-	-
mbeckerle@apache.org	1	55	-	-	-		-			-	-	-	-			-						-			-	-	-
6136107+atriviality@users.noreply.github.com	-	1	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
aparker@owlcyberdefense.com	-	4	-	-	-	-	-	-	-	-			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
katlic@ge.com	-	9	-	-	-	-	-	-	-	-	-	-	-	-		-			-		-	-		-		-	-
interran@research.ge.com	-	44	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-				-	-	-		-
slawrence@owlcyberdefense.com	-	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-		-	-	-	-	-
mmcgann@owlcyberdefense.com	-	21	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
shanedell100@gmail.com	-	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jadams@tresys.com	-	126	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jhutchings1@users.noreply.github.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
vzaver@owlcyberdefense.com	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
arevello@owlcyberdefense.com	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
me@scala-steward.org	-	80	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
arevello@n12157207.columbia.tresys.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
brnnnfx@users.noreply.github.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
maung@owlcyberdefense.com	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mbeckerle@tresys.com	-	306	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
dsmallwood@tresys.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
samarth.sah@walmartlabs.com	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
sandeep.kumar0@walmartlabs.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jwass3@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
wassj@ctc.com	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
regis.thomas@nteligen.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
sramaka@tresys.com	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
icarlson@owlcybersecurity.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
clin4j@googlemail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
--global	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
rsteinberger@tresys.com	-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
icarlson@tresys.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
icarlson@owlcyberdefense.com	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
andrewjchafos@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
claude.mamo@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
kurt.baumann@sbb.ch	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
gezapeti@apache.org	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
bsloane@tresys.com	-	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
dineshchitlangia@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
btsloane@verizon.net	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
okilo@tresys.com	-	9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
motto@tresys.com	-	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
efahl@tresys.com	-	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
nick.smith@finastra.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
37781645+rmw42@users.noreply.github.com	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
marshall@quarksecurity.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
dthompson@tresys.com	-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
30659277+jadams-tresys@users.noreply.github.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
twise@tresys.com	-	217	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
efinnegan@tresys.com	-	84	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
slawrence@tresys.com	-	264	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
dthompson@localhost.localdomain	-	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
efinnegan@treys.com	-	99	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jchab@tresys.com	-	266	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
npatrick@tresys.com	-	30	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
bfinnegan@cynicaljedi.(none)	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mbeckerle.dfdl@gmail.com	-	152	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jadams1217@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
pchu@tresys.com	-	89	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jeffrey.jacobs@nrl.navy.mil	-	32	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ssustrich@tresys.com	-	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1cemo2tb	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
alonza.b.mumford@ugov.gov	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
pchu@n0005436.columbia.tresys.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
aseyler@tresys.com	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
paul@pchu.(none)	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
aseyler@tel4666.columbia.tresys.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
baker_jacob@bah.com	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
stephanie.huber.ctr@rl.af.mil	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jcranford@mitre.org	-	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jwc@mm191476-vm.mitre.org	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
watashi	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
darklord@chevaldetemp.(none)	-	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jsolt@tresys.com	-	12	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mbeckerle@tuna.(none)	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
nobody@example.org	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mcgrath@ncsa.illinois.edu	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mchenry@illinois.edu	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bots Matrix (Per Month)

Commits
(3m)

Commit
Days

3 contributors (4 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	File Updates (per extension)
1.	slawrence@apache.org	2017-10-26	2025-04-21	2 (50%)	scala (5)
2.	scala_steward@virtuslab.com	2022-07-07	2025-04-12	1 (25%)	scala (1)
3.	jadams@owlcyberdefense.com	2021-05-19	2025-05-06	1 (25%)	(1)

5 contributors (43 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	File Updates (per extension)
1.	slawrence@apache.org	2017-10-26	2025-04-21	7 (16%)	scala (7), (5), sbt (3), yaml (3), bmp (1)
2.	scala_steward@virtuslab.com	2022-07-07	2025-04-12	6 (13%)	scala (4), sbt (1), properties (1)
3.	50379531+olabusayot@users.noreply.github.com	2019-09-19	2025-04-01	28 (65%)	scala (639), sbt (6), java (4), yaml (2), notice (2)
4.	mbeckerle@apache.org	2021-10-18	2025-02-27	1 (2%)	scala (42), java (1), conf (1)
5.	jadams@owlcyberdefense.com	2021-05-19	2025-05-06	1 (2%)	(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
- 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.	mbeckerle@apache.org	50379531+olabusayot@users.noreply.github.com	20 shared files
2.	50379531+olabusayot@users.noreply.github.com	slawrence@apache.org	7 shared files
3.	mbeckerle@apache.org	slawrence@apache.org	1 shared file
4.	50379531+olabusayot@users.noreply.github.com	scala_steward@virtuslab.com	1 shared file project/Dependencies.scala
5.	scala_steward@virtuslab.com	mbeckerle@apache.org	1 shared file project/Dependencies.scala
6.	jadams@owlcyberdefense.com	slawrence@apache.org	1 shared file VERSION

Most Connected Contributors

	Contributor	# connections	# commits
1.	50379531+olabusayot@users.noreply.github.com	3	28
2.	slawrence@apache.org	3	7
3.	mbeckerle@apache.org	3	1
4.	scala_steward@virtuslab.com	2	6
5.	jadams@owlcyberdefense.com	1	1

C-median: 3.0

A half of the contributors has more than 3.0 connections, and a half has less than this number.

C-mean: 2.4

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.

5 contributors (72 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	slawrence@apache.org	2017-10-26	2025-04-21	12 (16%)
2.	scala_steward@virtuslab.com	2022-07-07	2025-04-12	13 (18%)
3.	50379531+olabusayot@users.noreply.github.com	2019-09-19	2025-04-01	34 (47%)
4.	mbeckerle@apache.org	2021-10-18	2025-02-27	6 (8%)
5.	jadams@owlcyberdefense.com	2021-05-19	2025-05-06	7 (9%)

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 1	Contributor 2	# shared files
1.	mbeckerle@apache.org	50379531+olabusayot@users.noreply.github.com	39 shared files
2.	slawrence@apache.org	50379531+olabusayot@users.noreply.github.com	31 shared files
3.	slawrence@apache.org	mbeckerle@apache.org	8 shared files
4.	slawrence@apache.org	jadams@owlcyberdefense.com	5 shared files
5.	jadams@owlcyberdefense.com	50379531+olabusayot@users.noreply.github.com	4 shared files
6.	mbeckerle@apache.org	jadams@owlcyberdefense.com	1 shared file build.sbt
7.	scala_steward@virtuslab.com	slawrence@apache.org	1 shared file project/Dependencies.scala
8.	scala_steward@virtuslab.com	50379531+olabusayot@users.noreply.github.com	1 shared file project/Dependencies.scala
9.	scala_steward@virtuslab.com	mbeckerle@apache.org	1 shared file project/Dependencies.scala

Most Connected Contributors

	Contributor	# connections	# commits
1.	50379531+olabusayot@users.noreply.github.com	4	34
2.	slawrence@apache.org	4	12
3.	mbeckerle@apache.org	4	6
4.	scala_steward@virtuslab.com	3	13
5.	jadams@owlcyberdefense.com	3	7

C-median: 4.0

A half of the contributors has more than 4.0 connections, and a half has less than this number.

C-mean: 3.6

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

C-index: 3.0

There are 3.0 contributors with 3.0 or more connections.

8 contributors (166 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	slawrence@apache.org	2017-10-26	2025-04-21	30 (18%)
2.	scala_steward@virtuslab.com	2022-07-07	2025-04-12	37 (22%)
3.	50379531+olabusayot@users.noreply.github.com	2019-09-19	2025-04-01	69 (41%)
4.	mbeckerle@apache.org	2021-10-18	2025-02-27	16 (9%)
5.	jadams@owlcyberdefense.com	2021-05-19	2025-05-06	8 (4%)
6.	katlic@ge.com	2022-11-10	2024-05-10	1 (<1%)
7.	aparker@owlcyberdefense.com	2024-08-29	2024-09-13	4 (2%)
8.	6136107+atriviality@users.noreply.github.com	2024-11-06	2024-11-06	1 (<1%)

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

	Contributor 1	Contributor 2	# shared files
1.	slawrence@apache.org	50379531+olabusayot@users.noreply.github.com	96 shared files
2.	mbeckerle@apache.org	50379531+olabusayot@users.noreply.github.com	52 shared files
3.	slawrence@apache.org	mbeckerle@apache.org	26 shared files
4.	50379531+olabusayot@users.noreply.github.com	jadams@owlcyberdefense.com	12 shared files
5.	scala_steward@virtuslab.com	50379531+olabusayot@users.noreply.github.com	8 shared files
6.	aparker@owlcyberdefense.com	50379531+olabusayot@users.noreply.github.com	7 shared files
7.	slawrence@apache.org	jadams@owlcyberdefense.com	6 shared files
8.	slawrence@apache.org	aparker@owlcyberdefense.com	6 shared files
9.	katlic@ge.com	50379531+olabusayot@users.noreply.github.com	3 shared files
10.	mbeckerle@apache.org	scala_steward@virtuslab.com	3 shared files
11.	scala_steward@virtuslab.com	slawrence@apache.org	3 shared files
12.	aparker@owlcyberdefense.com	mbeckerle@apache.org	3 shared files
13.	mbeckerle@apache.org	jadams@owlcyberdefense.com	2 shared files build.sbt KEYS
14.	slawrence@apache.org	katlic@ge.com	2 shared files
15.	katlic@ge.com	mbeckerle@apache.org	1 shared file
16.	scala_steward@virtuslab.com	jadams@owlcyberdefense.com	1 shared file build.sbt
17.	scala_steward@virtuslab.com	katlic@ge.com	1 shared file .github/workflows/main.yml

Most Connected Contributors

	Contributor	# connections	# commits
1.	50379531+olabusayot@users.noreply.github.com	6	69
2.	slawrence@apache.org	6	30
3.	mbeckerle@apache.org	6	16
4.	scala_steward@virtuslab.com	5	37
5.	jadams@owlcyberdefense.com	4	8
6.	katlic@ge.com	4	1
7.	aparker@owlcyberdefense.com	3	4
8.	6136107+atriviality@users.noreply.github.com	0	1

C-median: 5.0

A half of the contributors has more than 5.0 connections, and a half has less than this number.

C-mean: 4.8

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

C-index: 4.0

There are 4.0 contributors with 4.0 or more connections.