AspectJ is an aspect-oriented extension to Java. This task compiles a source tree using the AspectJ compiler -- AJC.

Actually, Anakia is more than just an Ant task, it is a an XML transformation tool based on JDOM, Velocity and Ant.

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. Its purpose is to automate the process of checking Java code, and to spare humans of this boring (but important) task.

Checkstyle can be run via an ANT task or a command line utility.

Recursive build support (call ant on every package level, and only build files in that package or in that package and everything below) with seperation of source and output.

The task generates build files in any subdirectory (except for CVS-directories) for you. Only place one build.xml file in the top and call target 'setup' or 'rescan'.

There are two different sets of tasks to help build Java 2 Platform, Micro Edition (J2ME) applications.

This set supports CLDC and the K Virtual Machine (KVM):

And this set works with the J2ME Wireless Toolkit and MIDP for PalmOS:

TiniAnt is an Ant task to support building applications for the TINI.

Venus Application Publisher's (Vamp) Ant Task Suite allows you to sign and package your applications into relocatable Web Archives that you can drop into your web server for single-click launching using Java Web Start or into single Java Archive installers that serve up their content through a built-in, multi-threaded, ultra light-weight web server.

XDoclet is an extended Javadoc Doclet engine for use in Ant. It lets you create custom Javadoc @tags and based on those tags generates source code or other files (such as xml-ish deployment descriptors). Templates and matching tasks are provided to generate EJB and web application deployment descriptors.

A plugin that integrates Ant into the jEdit editor.

An OpenTool that integrates Ant into the JBuilder IDE.

A plugin that integrates Ant into the Jext editor.

Java IDE with refactoring support and Ant integration.

The Java Development Environment for Emacs (JDEE) supports Apache Ant as one of three built-in ways to build your applications.

A module that integrates Ant into the NetBeans or Forte for Java IDEs.

CruiseControl is a tool for setting up a continuous build process. CruiseControl provides an Ant wrapper and a set of tasks to automate the checkout/build/test cycle. CruiseControl also comes bundled with a servlet for viewing the status of the current build, as well as previous build results.