Caffeine is a high performance, near optimal caching library. It provides an in-memory cache using a Google Guava ...

Guava is a suite of core and expanded libraries that include

Linear time regular expressions for Java

Natural language date parsing in Java, ported directly from Ruby's chronic

Data structure which allows accurate estimation of quantiles and related rank statistics

Metrics is a Java library which gives you unparalleled insight into what your code does in

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

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

This package contains a full DFA/NFA implementation with Unicode

Metrics is a Java library which gives you unparalleled insight into what your code does in

A core Netty module that provides high-level channel handlers for protocol implementations and network applications.

Netty transport implementation using Linux epoll for efficient I/O on native platforms.

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

Jakarta RESTful Web Services

Joda-Time provides a quality replacement for the Java date and time classes. Note that from Java SE 8 onwards, users ...

This library allows your Java program to interface very easily with the Python world. It uses the Pyro protocol to call ...

The ANTLR 4 Runtime

Avro is a row-oriented remote procedure call and data serialization framework that produces a compact binary format.

Fluent assertions for Java and Android that makes your test assertions and failure messages more readable.

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

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

Core API and libraries of hamcrest matcher framework.