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Top 23 Java Groovy Projects
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CI/CD integration: the ability to integrate monitoring into pipelines (and tools like Jenkins or Terraform) for automated creation and update of tests also known as “monitoring as code”.
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Project mention: Micronaut 4 application on AWS Lambda- Part 1 Introduction to the sample application and first Lambda performance measurements | dev.to | 2025-07-14
In this application, we will create products and retrieve them by their ID and use Amazon DynamoDB as a NoSQL database for the persistence layer. We use Amazon API Gateway which makes it easy for developers to create, publish, maintain, monitor and secure APIs and AWS Lambda to execute code without the need to provision or manage servers. We also use AWS SAM, which provides a short syntax optimised for defining infrastructure as code (hereafter IaC) for serverless applications. For this article, I assume a basic understanding of the mentioned AWS services, serverless architectures in AWS, Micronaut framework and GraalVM including its Native Image capabilities.
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Dynamic class loading, typically when using either Java Reflection or Groovy Scripting;
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Project mention: Automating Serialization/Deserialization Tests with Orkes Conductor and LLMs | dev.to | 2025-05-29
Run Spotless to auto-format the code for style consistency.
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Spock is a framework that uses Groovy syntax for expressive, readable tests. It excels in data-driven testing, making it efficient for testing multiple input data sets.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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nginx-clojure
Nginx module for embedding Clojure or Java or Groovy programs, typically those Ring based handlers.
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ofbiz-framework
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
Project mention: O Feijão com Arroz da Orientação a Objetos: Encapsulamento e Coesão | dev.to | 2024-12-16 -
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I started using the seancfoley IPAddress Java library because:
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webtau
WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.
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fabric-loom
Gradle build system plugin used to automate the setup of a minecraft mod development environment.
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groovy-language-server
A language server for Groovy — designed for Moonshine IDE, but may be useful in other environments
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ManyDesigns Portofino 4
Portofino 5 is the next generation of the open-source low-code web framework Portofino. Its purpose is to help developers create modern, responsive enterprise applications with REST APIs and an Angular UI.
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ruby-dragon
Ruby, Kotlin, Groovy, Clojure, and JShell support for Ghidra scripting and interactive sessions.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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 Groovy discussion
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A note from our sponsor - Sevalla
sevalla.com | 2 Sep 2025
Index
What are some of the best open-source Groovy projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Jenkins | 24,359 |
| 2 | REST Assured | 7,015 |
| 3 | Micronaut | 6,289 |
| 4 | groovy | 5,351 |
| 5 | spotless | 5,054 |
| 6 | JaCoCo | 4,399 |
| 7 | Spock | 3,609 |
| 8 | nginx-clojure | 1,084 |
| 9 | ofbiz-framework | 933 |
| 10 | rsql-parser | 773 |
| 11 | JFairy | 740 |
| 12 | groovy-eclipse | 678 |
| 13 | IPAddress | 511 |
| 14 | micronaut-data | 475 |
| 15 | webtau | 376 |
| 16 | fabric-loom | 288 |
| 17 | nexus-repository-composer | 237 |
| 18 | groovy-language-server | 205 |
| 19 | ManyDesigns Portofino 4 | 184 |
| 20 | spring-boot-blog-app | 75 |
| 21 | VRL-Studio | 72 |
| 22 | spreadsheet | 57 |
| 23 | ruby-dragon | 47 |
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