DSLs

• Groogle - A Groovy DSL written to use Google services APIs.

Data Processing

• Nextflow - Groovy DSL for Data-driven computational pipelines

Try Groovy in Browser

• Groovy Web Console

Build tools, setup and CI

• skeletal (⭐17) - A simple project creation tool that uses packaged templates (successor of Lazybones)

Database

• GORM - Grails ORM, but can be used stand-alone without Grails

Conferences

• Community Over Code - have a Groovy Track

Build tools, setup and CI

• Android Groovy Shell - code and execute groovy scripts directly on your smartphone

HTTP

• Hyperpoet (⭐5) - Easy-to-use and customizable HTTP client for Groovy

IDE and Editor Support

• SpaceVim - SpaceVim lang#groovy layer

Scripting Tools

• picocli (⭐4.9k) - Parser library and framework for CLI. Usage help with ANSI colors. Autocomplete. Nested subcommands and more.

Staying up to date

• Grails Diary - Particulary useful for Grails developers

Language Utilities

• Fuzzy-CSV (⭐17) - Simple lightweight data processing library, useful for shaping/processing your tabular data before its consumed by another service or library.

Scripting Tools

• EasyDokkaPlugin (⭐13) - Gradle script plugin to generate documentation by Dokka documentation engine for Java and Kotlin

• GradleMavenPush (⭐21) - Gradle script plugin to upload Gradle Artifacts to Maven repositories

• sshoogr (⭐356) - DSL library for working with remote servers through SSH.

IDE and Editor Support

• Groovy Grails Tool Suite - Eclipse-based IDE optimized for developing, debugging and executing Groovy and Grails applications

Staying up to date

• Groovy Podcast - Ken Kousen and Baruch Sadogursky discuss news and insight from the Groovy ecosystem.

Build tools, setup and CI

• Gradle - A powerful build system for the JVM

• SDKMAN - The Software Development Kit Manager (Previously known as GVM)

Web Frameworks

• Spring-Boot - Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that can you can "just run". Use Groovy as your coding language.

Testing

• Betamax (⭐472) - Betamax is a tool for mocking external HTTP resources such as web services and REST APIs in your tests.

Concurrency

• Vertx - Vert.x is a lightweight, high performance application platform for the JVM

Code Analysis

• Sonar-Groovy (⭐52) - SonarQube Groovy plugin

Conferences

• GR8Conf Europe (discontinued)

Build tools, setup and CI

• GMavenPlus (⭐283) - A rewrite of GMaven, a Maven plugin for Groovy

• Jenkins job-dsl-plugin (⭐1.9k) - A Groovy DSL for Jenkins Jobs

• travis-groovy (⭐3) - execute groovy scripts on travis-ci

Official Resources

• Groovy's source (⭐5.2k) - Groovy's source code mirrored on Github

Testing

• Dru - Data Reconstruction Utility loads data from external sources JSON, YML for easy testing GORM, DynamoDB or just plain POJOs.

• Gru - Groovy HTTP Testing Framework for running integration and semi-ingetration tests for any HTTP backend with native unit test support for Grails and Spring MVC.

DSLs

• spreadsheet-builder - Spreadsheet builder provides convenient way how to create MS Excel OfficeOpenXML Documents (XSLX)

IDE and Editor Support

• Sublime Text 2/3 - Run groovy scripts from Sublime Text

Web Frameworks

• Micronaut - A brand new microservices framework created by the Grails team

Database

• Effigy (⭐6) - Groovy annotation-driven JDBC row mapping framework (abandoned)

HTTP

• HTTP Builder NG (⭐176) - HTTP Builder NG is a modern Groovy DSL for making http requests.

• HTTP Builder NG Gradle Plugin (⭐31) - Gradle plugin providing HTTP Builder NG support in a Gradle build configuration.

Testing

• Ersatz Mock Server (⭐47) - A simple and expressive simulated HTTP server for testing client code with configurable responses.

DSLs

• GroovyCSV - A simple CSV parsing library for groovy

Blogs of core committer

• Grails Team blog

Conferences

• Greachconf (discontinued)

• GR8Conf USA (discontinued)

Interactive Learning

• Groovy-Koans - Collection of small exercises in the form of unit tests

Testing

• HTTP Mock Server (⭐9) - HTTP Mock Server allows to mock HTTP request using groovy closures.

Staying up to date

• Groovy Calamari - Weekly curated publication about the Groovy Ecosystem

Blogs of core committer

• Guillaume Laforge's blog

• Cédric Champeau's blog

Rule Engines

• grules (⭐37) - rule engine for data preprocessing

• n-cube - a Rules Engine, Decision Table, Decision Tree, Templating Engine, and Enterprise Spreadsheet, built as a hyper-space.

Language Utilities

• GPerfUtils - Groovy-based tools verifying performance of your code
  • gprof (⭐33) - The profiling module for Groovy
  • gbench (⭐28) - The benchmarking module for Groovy

Database

• elasticsearch-groovy (⭐37) - Elasticsearch Groovy client

Rich Application

• Griffon - Griffon is an application framework for developing desktop applications in the JVM

HTTP

• Http-Builder (⭐315) - HTTPBuilder is the easiest way to manipulate HTTP-based resources from the JVM

Concurrency

• GPars (⭐242) - The GPars concurrency and parallelism framework for the JVM

Blogs of core committer

• Jochen Theodorou's blog

Language Utilities

• groovy-extra-list-behaviour (⭐2) - Adds extra methods to Lists via the extension system

Official Resources

• The official groovy home - Groovy's new home

• Groovy mailing lists - Note the new mailing list

• Official Documentation - the definitive source of groovy documentation

Groovy Code Examples

• MrHaKi's Goodness - Look out for entries titled "Groovy Goodness" , "Grails Goodness", Gradle Goodness"

• PLEAC Groovy - Groovy is one of the 3 languages out of 32, having completed 100% of PLEAC examples.

Staying up to date

• Groovy Weekly - Groovy weekly newsletter

HTTP

• AsyncRestClient (⭐5) - Combine the power of RESTClient with RxGroovy for async http calls

Concurrency

• RxGroovy (⭐158) - RxJava bindings for Groovy

DSLs

• document-builder (⭐94) - A document builder for Groovy for PDF or Word documents.

Database

• Tayra (⭐143) - Incremental backup tool for MongoDB

File System Utilities

• Groovy-Vfs (⭐63) - A DSL for Groovy on top of Apache VFS2

• Directree (⭐14) - A Simple DSL to create Directory Tree with Text Files

Try Groovy in Browser

• Groovy Playground

Web Frameworks

• gServ (⭐49) - A Groovy toolkit for creating SPAs and REST based micro-services without the need for a container (Tomcat, JBoss, etc.).

Language Utilities

• groovy-common-extensions (⭐71) - Lets you add things commonly useful to the Groovy language via the extension system

Database

• Groovy-liquibase (⭐85) - Yet Another Groovy DSL for Liquibase

HTTP

• Groovy-wslite (⭐402) - Lightweight SOAP and REST webservice clients for Groovy

Transpilers

• Grooscript (⭐221) - Converts your Groovy code to Javascript

Static Web

• Grain (⭐159) - Static Web Site Building Framework For Groovy

• Gaiden (⭐169) - Gaiden is a tool that makes it easy to create documentation with Markdown.

Language Utilities

• Functionalgroovy (⭐67) - Functional programming in Groovy

• Groovy-stream (⭐66) - A collection of classes to give a fluent builder for Streams (Lazy Groovy Generators)

• Flipside (⭐21) - Simple Groovy options library

Code Analysis

• CodeNarc - Static analysis tool for Groovy

IDE and Editor Support

• IntelliJ IDEA - The Most Intelligent IDE for the Java Platform

• Groovy Web Console - The online Groovy console

• LightTable Plugin (⭐25) - LightTable Support

Build tools, setup and CI

• Lazybones (⭐614) - A simple project creation tool that uses packaged project templates.

Web Frameworks

• Grails (⭐451) - A powerful web application framework based on the Groovy language

• Gaelyk (⭐221) - A lightweight Groovy toolkit for Google App Engine Java

• Glide (⭐53) - Create awesome apps on Google App Engine in a snap

• Ratpack (⭐1.9k) - A toolkit for JVM web applications

Database

• Gmongo (⭐182) - A Groovy wrapper to the mongodb Java driver

• Gstorm (⭐82) - A simple ORM for simple databases and CSV files to be used in groovy scripts

Rich Application

• GroovyFx - GroovyFX provides a Groovy binding for JavaFX 2.0.

Testing

• Spock (⭐3.5k) - The Enterprise-ready testing and specification framework.

• Geb (⭐1.1k) - Very Groovy Browser Automation