The Apache Commons Codec component contains encoders and decoders for

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

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

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains the JCA/JCE ...

The Bouncy Castle Java APIs for doing S/MIME with JavaMail. The APIs are designed primarily to be used in conjunction ...

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

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