The XAdES4j library is a high-level, configurable and extensible Java implementation of XML Advanced Electronic Signatures (XAdES 1.3.2 and 1.4.1). It enables producing, verifying and extending signatures in the main XAdES forms: ...

Thread Weaver is a framework for writing multi-threaded unit tests in Java. It provides mechanisms for creating breakpoints within code, and for halting execution of a thread when a breakpoint is reached.

Library for working with the Java 5 type system

The missing bridge between Java and native C++

Wrapper classes for jdk5, and 7 concurrency package

classgenerator is a scala library that wraps javassist and provides various patterns for generating classes via subclassing and implementing interfaces.

Contains common protocol classes

A lightweight Java component nesting and docking system

Papaya for SLF4J: Utilities for Java 1.8+ written by Kevin Connor ARPE

ReflectASM is a very small Java library that provides high performance reflection by using code generation.