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

Library for performing common cryptographic operations

Java library which enables encryption in java apps with minimum effort.

Artifact for exception handling functionality.

Artifact for structures and utilities dedicated to the control flow of a program.

Artifact providing the refcodes-logging framework for flexible logging

Artifact with commonly used security functionality such as message

Artifact for textual issues such as processing strings (utility).

Artifact for mixins of general interest.

Artifact for console (terminal) based logging with the refoces logger framework.