https://github.com/vavr-io/vavr

functional-programming hacktoberfest immutable-collections java javaslang object-functional persistent-collections

Score: 33.94792902146054

Last synced: about 19 hours ago
JSON representation

Repository metadata:

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

Host: GitHub
URL: https://github.com/vavr-io/vavr
Owner: vavr-io
License: apache-2.0
Created: 2014-01-30T14:07:25.000Z (about 12 years ago)
Default Branch: main
Last Pushed: 2026-01-23T02:05:18.000Z (15 days ago)
Last Synced: 2026-01-23T16:38:49.328Z (14 days ago)
Topics: functional-programming, hacktoberfest, immutable-collections, java, javaslang, object-functional, persistent-collections
Language: Java
Homepage: https://vavr.io
Size: 23.8 MB
Stars: 6,066
Watchers: 169
Forks: 657
Open Issues: 87
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Codeowners: .github/CODEOWNERS
Funding:
- Github: pivovarit

Owner metadata:

Name: vavr
Login: vavr-io
Email: mail@vavr.io
Kind: organization
Description:
Website: https://www.vavr.io
Location: Kiel, Germany
Twitter: vavr_io
Company:
Icon url: https://avatars.githubusercontent.com/u/5786132?v=4
Repositories: 18
Last Synced at: 2023-08-12T16:10:20.913Z
Profile URL: https://github.com/vavr-io

GitHub Events

Total

Create event: 118
Delete event: 118
Fork event: 29
Issue comment event: 149
Issues event: 33
Pull request event: 297
Pull request review comment event: 12
Pull request review event: 73
Push event: 330
Release event: 1
Watch event: 307
Total: 1467

Last Year

Create event: 96
Delete event: 98
Fork event: 21
Issue comment event: 124
Issues event: 19
Pull request event: 246
Pull request review comment event: 12
Pull request review event: 69
Push event: 303
Release event: 1
Watch event: 206
Total: 1195

Committers metadata

Last synced: 5 days ago

Total Commits: 3,358
Total Committers: 120
Avg Commits per committer: 27.983
Development Distribution Score (DDS): 0.41

Commits in past year: 181
Committers in past year: 9
Avg Commits per committer in past year: 20.111
Development Distribution Score (DDS) in past year: 0.569

Name	Email	Commits
Daniel Dietrich	d**h@g**t	1982
Ruslan Sennov	r**v@g**m	395
Grzegorz Piwowarek	g**k@g**m	129
dependabot[bot]	4****]	100
Pap Lőrinc	p**c@y**m	89
Valeriy.Vyrva	v**7@g**m	76
Jörgen Andersson	j**n@g**m	57
Pap Lőrinc	p**c@g**m	45
Ashwin R	a**4@g**m	32
Emmanuel Touzery	e**y@g**m	27
Copilot	1****t	26
Martti von Hertzen	m**n@g**m	26
Simone Carriero	s**o@g**m	23
Eric Nelson	e**n@a**m	21
Victor Buldakov	v**v@y**u	17
Ronan Michaux	r**x@y**m	16
LordBlackhole	l**e@g**m	14
Patryk	p**a@w**l	14
Eduard	e**s@y**m	12
alpar	s**r@g**m	11
Nándor Előd Fekete	n**e@g**m	10
Mathias Düsterhöft	m**t@e**m	9
Martin Cooper	m**r@m**m	9
Daniel Harezlak	d**k@c**l	9
Adam Kopeć	a**c@g**m	9
Miguel Duarte	m**e@g**m	8
Naljorpa Chagmed	c****d	8
Boris van Katwijk	b**k@g**m	7
Deny Prasetyo	d**o@g**d	7
Grzegorz Piwowarek	g**w@t**l	7
and 90 more...

Issue and Pull Request metadata

Last synced: 8 days ago

Total issues: 121
Total pull requests: 511
Average time to close issues: 11 months
Average time to close pull requests: about 1 month
Total issue authors: 82
Total pull request authors: 41
Average comments per issue: 3.97
Average comments per pull request: 0.51
Merged pull request: 396
Bot issues: 3
Bot pull requests: 170

Past year issues: 11
Past year pull requests: 129
Past year average time to close issues: 2 days
Past year average time to close pull requests: 2 days
Past year issue authors: 11
Past year pull request authors: 8
Past year average comments per issue: 1.73
Past year average comments per pull request: 0.22
Past year merged pull request: 98
Past year bot issues: 1
Past year bot pull requests: 52

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/vavr-io/vavr

Top Issue Authors

danieldietrich (11)
pivovarit (10)
xenoterracide (7)
jbrains (5)
dependabot[bot] (3)
etsinko (3)
Abnaxos (2)
staekblw (2)
galegofer (2)
ckosmowski (2)
EarthCitizen (2)
sir4ur0n (2)
CarstenLeue (1)
javiertoja (1)
wangstefanie (1)

Top Pull Request Authors

pivovarit (222)
dependabot[bot] (170)
bvkatwijk (28)
KrnSaurabh (12)
sleepytomcat (9)
danieldietrich (7)
Koziolek (5)
achinaou (4)
reneleonhardt (3)
micrommer (3)
bmscomp (3)
j-baker (3)
smthelusive (2)
joytools (2)
sam-chakrabarty (2)

Top Issue Labels

feature (14)
question (12)
design/refactoring/improvement (11)
«vavr-collection» (10)
reverted/closed/duplicate (8)
bug (8)
documentation (6)
help wanted (6)
«vavr-control» (6)
build/infrastructure/ide (4)
«vavr-concurrent» (4)
java (3)
dependencies (3)
«non-public» (2)
«vavr-core» (2)
release (2)
«vavr-api» (1)
ready-to-implement (1)
!BACK-COMPAT (1)

Top Pull Request Labels

dependencies (170)
java (159)
github_actions (11)
«vavr-collection» (8)
design/refactoring/improvement (6)
feature (6)
bug (5)
build/infrastructure/ide (4)
reverted/closed/duplicate (3)
«vavr-concurrent» (3)
documentation (2)
«cross cutting» (2)
«vavr-control» (1)
!BACK-COMPAT (1)

Package metadata

Total packages: 3
Total downloads: unknown
Total docker downloads: 750,113,928
Total dependent packages: 681 (may contain duplicates)
Total dependent repositories: 2,823 (may contain duplicates)
Total versions: 42

repo1.maven.org: io.vavr:vavr

Vavr is an object-functional library for Java 8+

Homepage: https://www.vavr.io
Documentation: https://appdoc.app/artifact/io.vavr/vavr/
Licenses: The Apache Software License, Version 2.0
Latest release: 0.11.0 (published about 2 months ago)
Last Synced: 2026-01-29T07:47:09.666Z (9 days ago)
Versions: 16
Dependent Packages: 681
Dependent Repositories: 2,821
Docker Downloads: 750,113,928
Rankings:
- Dependent packages count: 0.109%
- Docker downloads count: 0.145%
- Dependent repos count: 0.193%
- Average: 2.445%
- Stargazers count: 4.156%
- Forks count: 7.619%

proxy.golang.org: github.com/vavr-io/vavr

Homepage:
Documentation: https://pkg.go.dev/github.com/vavr-io/vavr#section-documentation
Licenses: apache-2.0
Latest release: v0.11.0 (published about 2 months ago)
Last Synced: 2026-01-29T07:47:04.858Z (9 days ago)
Versions: 13
Dependent Packages: 0
Dependent Repositories: 1
Rankings:
- Stargazers count: 0.926%
- Forks count: 1.177%
- Average: 4.105%
- Dependent repos count: 4.742%
- Dependent packages count: 9.576%

repo1.maven.org: io.vavr:vavr-parent

Vavr (formerly called Javaslang) is an object-functional language extension to Java 8+.

Homepage: https://vavr.io
Documentation: https://appdoc.app/artifact/io.vavr/vavr-parent/
Licenses: The Apache Software License, Version 2.0
Latest release: 0.11.0 (published about 2 months ago)
Last Synced: 2026-01-29T07:47:11.110Z (9 days ago)
Versions: 13
Dependent Packages: 0
Dependent Repositories: 1
Rankings:
- Stargazers count: 4.156%
- Forks count: 7.619%
- Average: 20.673%
- Dependent repos count: 20.768%
- Dependent packages count: 50.15%

Dependencies

.github/workflows/gradle-wrapper-validation.yml actions

actions/checkout v3 composite
gradle/wrapper-validation-action v1 composite

.github/workflows/release-drafter.yml actions

release-drafter/release-drafter v5.3.1 composite

build.gradle maven

junit:junit $junitVersion testImplementation
org.assertj:assertj-core $assertjVersion testImplementation

ecosyste.ms

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