Rankings

Standard library for the Kotlin Programming Language

JUnit Jupiter is the API for writing tests using JUnit 5.

API for SLF4J (The Simple Logging Facade for Java) which serves as a simple facade or abstraction for various logging ...

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

Mockito mock objects library core API and implementation

Standard library for the Scala Programming Language Version 3

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

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

The Apache Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian ...

General data-binding functionality for Jackson: works on core streaming API

Provides backwards-compatible implementations of UI-related Android SDK functionality, including dark mode and Material ...

Kotlin Standard Library JDK 8 extension

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage ...

General data-binding functionality for Jackson: works on core streaming API

The Compiler Plugin is used to compile the sources of your project.

Lombok is a Java library that provides annotations to simplify Java development by automating the generation of ...

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

Kotlin Common Standard Library (legacy, use kotlin-stdlib instead)

Implementation of the SLF4J API for Logback, a reliable, generic, fast and flexible logging framework.

scala-library-bootstrapped

Annotations the SpotBugs tool supports

Rich and fluent assertions for testing in Java

Apache HttpComponents Client

Core package for the JUnit Jupiter test engine.

Module "junit-jupiter" of JUnit

Clojure core environment and runtime library.

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

Core Jackson processing abstractions (aka Streaming API), implementation for JSON

Starter for testing Spring Boot applications with libraries including JUnit Jupiter, Hamcrest and Mockito

SLF4J Reload4j Provider

Binding/provider for SLF4J, which outputs all events to System.err.

Spring Context provides access to configured objects like a registry (a context).

The Maven Source Plugin creates a JAR archive of the source files of the current project.

Starter for building web, including RESTful, applications using Spring MVC.

API for Jakarta Servlet, enabling web applications to handle HTTP requests and responses through a standard interface ...

Core annotations used for value types, used by Jackson data binding package.

Caffeine is a high performance, near optimal caching library.

Square’s meticulous HTTP client for Java and Kotlin.

Core API and libraries of hamcrest matcher framework.

Coroutines support libraries for Kotlin

Core Jackson processing abstractions (aka Streaming API), implementation for JSON

The Apache Commons Codec component contains encoders and decoders for formats such as Base16, Base32, Base64, ...

Coroutines support libraries for Kotlin

Spring Boot Configuration Annotation Processor

fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists, and queues with a small ...

Apache Commons Logging is a thin adapter allowing configurable bridging to other, well-known logging systems.

Spring Boot auto-configuration attempts to automatically configure your Spring application based on the jar dependencies ...

The Apache Maven Javadoc Plugin is a plugin that uses the javadoc tool for generating javadocs for the specified ...

TestNG is a testing framework inspired from JUnit and NUnit but introducing some new functionalities that make it more ...

SLF4J LOG4J-12 relocated to slf4j-reload4j

The Apache Commons Collections package contains types that extend and augment the Java Collections Framework.

Runtime libraries for Kotlin reflection, which allows you to introspect the structure of your program at runtime.

Kotlin extensions for 'core' artifact

Material Components for Android is a static library that you can add to your Android application in order to use APIs ...

Provides source annotations for tooling and readability.

Maven Surefire MOJO in maven-surefire-plugin.

Core starter, including auto-configuration support, logging and YAML

Spring Test supports the unit testing and integration testing of Spring components with JUnit or TestNG.

API for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation.

Spring Web provides integration features such as multipart file upload functionality and the initialization of the IoC ...

The Apache Log4j SLF4J 2.0 API binding to Log4j 2 Core

Jakarta XML Binding (JAXB) API that allows Java developers to map Java classes to XML representations and perform ...

Basic building block for Spring that in conjunction with Spring Beans provides dependency injection and IoC features.

A fast SQL database that can run embedded or a server mode with support for transactions, encryption, full search, etc. ...

Jakarta/Apache commons logging 1.2 implemented over SLF4J

MySQL Connector/J is a JDBC Type 4 driver, which means that it is pure Java implementation of the MySQL protocol and ...

Kotlin Standard Library JDK 7 extension

Joda-Time provides a quality replacement for the Java date and time classes.

Kotlin Standard Library for JS

An event API that involves a lot of dirty and cursed code in favour of dispatch speed and API's flexibility.

A set of annotations used for code inspection support and code documentation.

JUnit Jupiter extension for running parameterized tests.

Kotlin multiplatform serialization runtime library

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

Core classes of Apache Maven to manage the building process.

The API for Maven 3 plugins - Mojos - development.

Jakarta Annotations API

JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations ...

Spring Beans provides the configuration framework and basic functionality to instantiate, configure, and assemble java ...

PostgreSQL JDBC Driver Postgresql

JSON is a light-weight, language independent, data interchange format.

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms.

Builds a Java Archive (JAR) file from the compiled project classes and resources.

Hibernate's Jakarta Validation reference implementation.

HTTPClient provides an efficient, up-to-date, and feature-rich package implementing the client side of the most recent ...

Core Protocol Buffers library.

Scala.js test bridge

Spring webmvc contains Spring's model-view-controller (MVC) and REST Web Services implementation for web applications.

Apache HttpComponents HTTP/1.1 core components

Kotlin DOM API compatibility library

Core implementation of Logback, a reliable, generic, fast and flexible logging framework.

Scala.js, a safer way to build robust front-end web applications with the Scala Programming Language.

Java annotations to use in Mojos

EasyMock provides an easy way to create Mock Objects for interfaces and classes generating them on the fly

Coroutines support libraries for Kotlin

Mockito JUnit 5 support

YAML 1.1 parser and emitter for Java

This library offers a flexible and adaptable way to position and animate widgets

Display large sets of data in your UI while minimizing memory usage.

Kotlin multiplatform serialization runtime library