High level API to generate and transform Java byte code.

Jamm provides MemoryMeter, a java agent to measure actual object memory use including JVM overhead.

The Apache Commons Codec component contains encoders and decoders for

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 ...

Apache Commons Logging is a thin adapter allowing configurable bridging to other,

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

JExcelApi is a java library which provides the ability to read, write, and modify Microsoft Excel spreadsheets.

Apache Lucene (module: core)

ContiPerf is an open source testing utility that enables the user to easily

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

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

Hibernate's core ORM functionality

HSQLDB - Lightweight 100% Java SQL Database Engine