Rankings

The Apache Software Foundation (ASF) provides software for the public good, guided by community over code.

Apache Maven is a build tool for Java projects.

Apache Maven Plugins

JetBrains is a software development company specializing in the creation of tools for building and debugging software.

Spring Framework is a popular application development framework for Java.

Kotlin is a modern programming language that combines object-oriented and functional programming features.

Renjin is a JVM-based interpreter for the R language for the statistical analysis.

Google is a technology company that provides online services and products, including search, email, and cloud computing.

The Simple Logging Facade for Java (SLF4J) serves as a simple facade or abstraction for various logging frameworks (e.g. ...

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can just run

JUnit is a unit testing framework to write and run repeatable automated tests on Java.

Kotlin Extensions is a library that provides a set of extensions for the Kotlin language.

AndroidX is a collection of libraries that are intended to replace the deprecated Android Support Library.

GitHub is a popular web-based platform for hosting code, managing software projects, and enabling collaboration among ...

FasterXML is a software development company specializing in the creation of libraries for working with JSON, XML, and ...

Codehaus was a community-driven open source software foundation that supported the development of various Java-based ...

Java EE / Jakarta EE specifications and APIs

Jackson is a suite of data-processing tools for Java (and the JVM platform), including the flagship streaming JSON ...

The Eclipse Foundation provides our global community of individuals and organisations with a business-friendly ...

GitHub is a popular web-based platform for hosting code, managing software projects, and enabling collaboration among ...

JUnit is a unit testing framework to write and run repeatable automated tests on Java.

Jackson Core is a core library for Jackson that provides low-level streaming JSON input/output functionality.

JUnit Jupiter is the next generation of JUnit.

Ktor is a framework for building asynchronous servers and clients in connected systems using the Kotlin programming ...

JBoss is a platform for building and deploying enterprise Java applications.

Apache Commons is an Apache project focused on all aspects of reusable Java components.

Codehaus Mojo

Scala is a strongly statically typed high-level general-purpose programming language that supports both object-oriented ...

Android is a mobile operating system developed by Google.

Tasty mocking framework for unit tests in Java

WebJars are client-side web libraries packaged into JAR files.

Compose Multiplatform is a modern UI framework for Kotlin that makes building performant and beautiful user interfaces ...

Sonatype is a software development company that provides tools for building, deploying, and securing applications.

Square is a point-of-sale system for sellers with physical or online stores.

Android Support Library provides a set of APIs for Android applications.

Google Code was a web-based project hosting platform developed by Google, providing version control repositories ...

Atlassian is a software company that provides tools for team collaboration and project management.

Guava is a suite of core and expanded libraries that include utility classes, Google's collections, I/O classes, and ...

WebJars NPM is a repository for packages migrated from NPM to Maven.

Jakarta EE is a platform for building enterprise applications

Renjin CRAN Packages is a repository for CRAN packages migrated from R.

Apache Felix is a community effort to implement the OSGi Framework and Service platform and other interesting ...

Clojure is a dynamic, general-purpose programming language, combining the approachability and interactive development of ...

Apache Logging Services is a collection of libraries for logging in Java.

Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and ...

QOS.ch Sarl (Switzerland) is a software design and development company based in Vouvry, Switzerland.

Java Servlet is the foundation web specification in the Java Enterprise Platform.

Logback is intended as a successor to the popular log4j project, picking up where log4j 1.x leaves off.

WSO2 LLC is an open-source technology provider founded in 2005.

Glassfish

Sonatype Plugins

Project Lombok is a java library that automatically plugs into your editor and build tools, spicing up your java.

Typesafe (now Lightbend) is a software development company that provides tools for building and deploying Java ...

The Apache HttpComponents project is responsible for creating and maintaining a toolset of low level Java components ...

Apache Commons IO is a library of utilities to assist with developing IO functionality.

NetBeans is an integrated development environment (IDE) for Java.

Maven NPM is a repository for artifacts migrated from NPM.

Camel is an Open Source integration framework that empowers you to quickly and easily integrate various systems ...

Eclipse Jetty is a highly scalable and memory-efficient web server and servlet container, supporting many protocols such ...

The OSGi Alliance is a global, open membership organization that provides a common framework for modular software ...

Sun Microsystems was a computer technology company that provided hardware and software products for the Java platform.

WSO2 Carbon is the core platform on which WSO2 middleware products are built.

Gson is a Java library that can be used to convert Java Objects into their JSON representation.

Hamcrest is a framework for writing matcher objects allowing ‘match’ rules to be defined declaratively.

Quarkus is a Java framework tailored for deployment on Kubernetes.

Hibernate is a Java persistence framework for the Java programming language.

Build apps and experiences for Amazon-supported devices and platforms.

Netbeans API

AssertJ is a Java library that provides a rich set of assertions and truly helpful error messages, improves test code ...

The OpenDaylight project is an open source platform for Software Defined Networking (SDN) that uses open protocols to ...

OkHttp is a modern HTTP client for Android, Java, and Kotlin.

Netty is an NIO client server framework which enables quick and easy development of network applications such as ...

ScalaTest is a flexible and popular testing tool in the Scala ecosystem.

Google Android

AWS Smithy Kotlin is a library for generating Kotlin code from AWS Smithy models.

AWS Smithy is a language for defining services and SDKs.

OW2 is an independent, non-profit community organisation dedicated to promoting industry-grade open source software for ...

FindBugs is a tool for static analysis to look for bugs in Java code.

Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and ...

Litote

Alibaba Group is a Chinese multinational technology company that provides e-commerce, retail, and cloud computing ...

Litote Mastodon Ktor SDK

Litote Mastodon Ktor

Litote Mastodon

ByteDance is a Chinese multinational internet technology company, founded in 2012, known globally for its highly popular ...

JaCoCo

AndroidX AppCompat

Spring Cloud provides tools for developers to quickly build some of the common patterns in distributed systems (e.g.

SourceForge is a popular web-based platform for hosting, managing, and collaborating on open source projects, offering ...

Sonatype Central

Scala.js is a compiler that allows you to run Scala code directly in the browser without any additional library.

JetBrains is a software development company specializing in the creation of tools for building and debugging software.

AndroidX Compose

Groovy

Jackson Datatypes Module is a set of modules that provide support for various data types.

A powerful, modular, & lightweight application server that helps you build amazing applications

gRPC is a modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment.

IntelliJ IDEA is the JetBrains IDE for pro development in Java and Kotlin.

The Apache Hadoop project develops open-source software for reliable, scalable, distributed computing.

The Bouncy Castle project offers open-source APIs for Java, C# and Kotlin that support cryptography and cryptographic ...