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#java (30 Repositories)

Ranked open-source repositories tagged with #java, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

84.0%

Avg Review Latency

22.7h

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30 repositories tagged #java

S TierJava 4.3k 10 GFIs

camunda/camunda

Process Orchestration Framework

74.8%
Merge Rate
5h
First Review
75%
1st-Timers
99
Maintainers
S TierJava 1.5k 11 GFIs

objectionary/eo

EOLANG, an Experimental Pure Object-Oriented Programming Language Based on 𝜑-Calculus

71.3%
Merge Rate
4h
First Review
54%
1st-Timers
22
Maintainers
S TierJavaScript 150 4 GFIs

SandeepVashishtha/Eventra

Eventra is a comprehensive event management system that empowers organizers to create, manage, and track events seamlessly. Built with a modern tech stack featuring React frontend and Spring Boot backend, Eventra provides everything needed to run successful events from creation to post-event analytics.

83.7%
Merge Rate
4h
First Review
82%
1st-Timers
86
Maintainers
S TierJava 3.5k 1 GFIs

eclipse-openj9/openj9

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

82.9%
Merge Rate
13h
First Review
77%
1st-Timers
65
Maintainers
S TierJava 384 14 GFIs

labsai/EDDI

Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

72.7%
Merge Rate
7h
First Review
86%
1st-Timers
6
Maintainers
S TierJava 500

milvus-io/milvus-sdk-java

Java SDK for Milvus.

88.3%
Merge Rate
2h
First Review
100%
1st-Timers
8
Maintainers
S TierJava 315

jdubois/boot-ui

The missing developer UI for Spring Boot and Quarkus!

87.9%
Merge Rate
14h
First Review
67%
1st-Timers
4
Maintainers
S TierKotlin 30.0k

square/leakcanary

A memory leak detection library for Android.

83.0%
Merge Rate
3h
First Review
100%
1st-Timers
8
Maintainers
S TierJava 7.8k

MinecraftForge/MinecraftForge

Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/

92.0%
Merge Rate
<1h
First Review
100%
1st-Timers
9
Maintainers
S TierJava 2.4k

metasfresh/metasfresh

We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.

87.1%
Merge Rate
3d
First Review
80%
1st-Timers
8
Maintainers
S TierJava 6.4k 5 GFIs

apache/iotdb

Apache IoTDB

79.6%
Merge Rate
3d
First Review
76%
1st-Timers
22
Maintainers
S TierJava 6.7k

apache/zeppelin

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

78.9%
Merge Rate
6h
First Review
73%
1st-Timers
21
Maintainers
S TierJava 1.0k

apple/servicetalk

A networking framework that evolves with your application

82.1%
Merge Rate
6h
First Review
89%
1st-Timers
6
Maintainers
S TierJava 320

geoserver/geoserver-cloud

GeoServer Cloud offers ready to use Spring Boot Apps provided for cloud use as dockerized microservices.

95.8%
Merge Rate
17h
First Review
100%
1st-Timers
7
Maintainers
S TierShell 14.4k 7 GFIs

itzg/docker-minecraft-server

Docker image that provides a Minecraft Server for Java Edition that automatically installs/upgrades versions, modloaders, modpacks and more at startup

83.3%
Merge Rate
11h
First Review
86%
1st-Timers
10
Maintainers
S TierJava 682

vaadin/platform

Vaadin platform 10+ is a Java web development platform based on Vaadin web components. If you don't know to which repository your bug report should be filed, use this and we'll move it to the right one.

86.0%
Merge Rate
8d
First Review
75%
1st-Timers
5
Maintainers
S TierJava 465

apache/flink-agents

Flink Agents is an Agentic AI framework based on Apache Flink

83.6%
Merge Rate
5h
First Review
81%
1st-Timers
30
Maintainers
S TierScala 3.6k

joernio/joern

Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc

87.4%
Merge Rate
4d
First Review
92%
1st-Timers
15
Maintainers
S TierJava 273

beehive-lab/GPULlama3.java

GPU-accelerated Llama3.java inference in pure Java using TornadoVM.

85.7%
Merge Rate
<1h
First Review
100%
1st-Timers
5
Maintainers
S TierJava 3.8k

openrewrite/rewrite

Automated mass refactoring of source code.

81.7%
Merge Rate
2d
First Review
63%
1st-Timers
28
Maintainers
S TierJava 781

chocoteam/choco-solver

An open-source Java library for Constraint Programming

92.9%
Merge Rate
2h
First Review
100%
1st-Timers
5
Maintainers
S TierJava 1.5k

apache/hop

Hop Orchestration Platform

85.3%
Merge Rate
2d
First Review
78%
1st-Timers
33
Maintainers
S TierJava 2.0k 4 GFIs

flutter/flutter-intellij

Flutter Plugin for IntelliJ

84.1%
Merge Rate
19h
First Review
100%
1st-Timers
13
Maintainers
S TierJava 4.1k

apache/tika

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

82.2%
Merge Rate
8h
First Review
73%
1st-Timers
11
Maintainers
S TierJava 3.3k

prometheus/jmx_exporter

A process for collecting metrics using JMX MBeans for Prometheus consumption

92.5%
Merge Rate
-
First Review
100%
1st-Timers
7
Maintainers
S TierJava 1.9k

codenameone/CodenameOne

Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.

84.8%
Merge Rate
18h
First Review
83%
1st-Timers
5
Maintainers
S TierJava 78.2k 1 GFIs

elastic/elasticsearch

Free and Open Source, Distributed, RESTful Search Engine

79.1%
Merge Rate
-
First Review
76%
1st-Timers
209
Maintainers
A TierJava 4.6k 2 GFIs

apache/fory

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.

89.1%
Merge Rate
-
First Review
82%
1st-Timers
22
Maintainers
A TierJava 129

vaadin/flow-components

Java counterpart of Vaadin Web Components

83.1%
Merge Rate
-
First Review
77%
1st-Timers
20
Maintainers
A TierJava 165

GaleMC/Gale

A high-performance server fork of Paper, without behavioral changes.

80.2%
Merge Rate
6h
First Review
86%
1st-Timers
8
Maintainers