Commons-IO contains utility classes, stream implementations, file filters, and endian classes.

The Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang.

The Commons Jexl library is an implementation of the JSTL Expression Language with extensions.

The Apache Commons Digester package lets you configure an XML to Java object mapping module which triggers certain actions called rules whenever a particular pattern of nested XML elements is recognized.

Commons Java API for RDF 1.1

Commons XMLSchema is a light weight schema object model that can be used to manipulate or generate a schema. It has a clean, easy to use API and can easily be integrated into an existing project since it has almost no dependencies on ...

Apache Synapse - Common Utilities

The Apache Commons FileUpload Jakarta component provides a simple yet flexible means of adding support for multipart file upload functionality to Jakarta servlets and web applications.

This is a small collection of utility classes, that allow high performance XML processing based on SAX. Basically, it is assumed, that you are using an JAXP 1.1 compliant XML parser and nothing else.

This is a small collection of utility classes, that allow high performance XML processing based on SAX. Basically, it is assumed, that you are using an JAXP 1.1 compliant XML parser and nothing else.