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Top 20 Java Github Projects
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generic-webhook-trigger-plugin
Can receive any HTTP request, extract any values from JSON or XML and trigger a job with those values available as variables. Works with GitHub, GitLab, Bitbucket, Jira and many more.
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jcabi-github
Java Object-Oriented Wrapper of GitHub API, with a fake implementation of the entire GitHub API (for your tests)
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dockerfile-image-update
A tool that helps you get security patches for Docker images into production as quickly as possible without breaking things
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Azkar-App
Desktop Application 💻 for Calculating Muslim prayer times 🕌 , Morning and Nights Azkar 🤲 with notification for random Azkar that pops-up in specific time.
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ai-git-bot
AI-Git-Bot is a lightweight, self-hostable gateway application that connects your Git platforms with AI providers
Project mention: Show HN: EmergingRepos – finding repos that are just starting to get momentum | news.ycombinator.com | 2026-05-04 -
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SympleGit-Java
SympleGit is a Java-based Git wrapper, co-developed with AI assistance, offering simplicity and ease of extension through AI integration.
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pwa-to-apk-action-test
This repository contains files generated by bubblewrap-cli which will be used in awsm-pwa-to-apk-action
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Ziphra Messenger Server
Ziphra Messenger Server This repository contains multiple coordinated backend modules: ziphra-core: Core logic and base classes shared across server components. ziphra-security: Common security logic used by ziphra-appserver and ziphra-messaging, including encryption, signature handling, and token management. ziphra-commonback: Utility classes and helpers used throughout the backend. ziphra-appserver: Main entry point for client connections. Manages session establishment, API endpoints, and
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java Github discussion
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2024 Hacktoberfest & LiteDevelopers
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2024 Hacktoberfest
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Let's build "Java demos" together during Hacktoberfest
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A note from our sponsor - SaaSHub
www.saashub.com | 19 Jun 2026
Index
What are some of the best open-source Github projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | OpenHub | 4,351 |
| 2 | gh4a | 1,978 |
| 3 | github-api | 1,250 |
| 4 | megit | 542 |
| 5 | ghprb-plugin | 510 |
| 6 | generic-webhook-trigger-plugin | 424 |
| 7 | jcabi-github | 307 |
| 8 | github-plugin | 301 |
| 9 | Drifty | 194 |
| 10 | pipeline-github-plugin | 164 |
| 11 | dockerfile-image-update | 145 |
| 12 | Azkar-App | 138 |
| 13 | ai-git-bot | 37 |
| 14 | aide | 18 |
| 15 | radicle-migration-tool | 10 |
| 16 | SympleGit-Java | 7 |
| 17 | pwa-to-apk-action-test | 4 |
| 18 | gitlet | 4 |
| 19 | Ziphra Messenger Server | 0 |
| 20 | github-changes-maven-plugin | 0 |
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