| Package | Description | 
|---|---|
| gnu.brl | |
| gnu.bytecode | 
Contains classes to generate, read,
write, and print Java bytecode in the form of  .classfiles. | 
| gnu.commonlisp.lang | |
| gnu.ecmascript | |
| gnu.expr | Supports  Expression,
and various related classes need to compile programming languages. | 
| gnu.jemacs.buffer | 
Provides various building blocks for building an Emacs-like text editor. | 
| gnu.jemacs.lang | Contains classes to implement the Emacs Lisp language. | 
| gnu.jemacs.swing | |
| gnu.jemacs.swt | |
| gnu.kawa.ant | |
| gnu.kawa.brl | |
| gnu.kawa.echo2 | |
| gnu.kawa.functions | Various core run-time functions and operators. | 
| gnu.kawa.lispexpr | Support classes for compiling and running Lisp languages. | 
| gnu.kawa.models | Model classes for an experimental model-view-controller framework. | 
| gnu.kawa.reflect | Contains classes to use reflection. | 
| gnu.kawa.sax | |
| gnu.kawa.servlet | |
| gnu.kawa.swingviews | Swing-based view classes for an experimental model-view-controller framework. | 
| gnu.kawa.swtviews | |
| gnu.kawa.util | |
| gnu.kawa.xml | Classes for using XML within Kawa. | 
| gnu.kawa.xslt | |
| gnu.lists | Contains utility classes and interfaces for sequences (lists), arrays, and trees. | 
| gnu.mapping | 
Supports  Procedure,
and various related classes needed at run-time by dynamically typed
languages (such as Scheme and ECMAScript). | 
| gnu.math | 
Supports various numeric
types, including complex numbers, efficient bignums, exact rational
numbers, units. | 
| gnu.q2.lang | Support for the experimental Q2 language. | 
| gnu.text | 
Supports various utility classes
for formatting, parsing, and manipulating text (strings). | 
| gnu.xml | Utilities for working with XML. | 
| gnu.xquery.lang | |
| gnu.xquery.util | |
| kawa | Classes for user interaction with Kawa. | 
| kawa.lang | Core Kawa classes for Scheme and Lisp compile-time. | 
| kawa.lib | The Kawa Scheme run-time libraries, written in Scheme. | 
| kawa.standard | Primitive Scheme syntax and functions. |