Offers a set of open source Java solutions under an open software license. Jakarta is organized into subprojects.

Generates elements for various markup languages. Directly supports HTML 4.0 and XML, but can easily be extended to create tags for any markup language. [Open Source, BSD-like]

A set of text-processing classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, and filtering filenames. This library is the open source succ...

Architecture for incorporating scripting into Java applications, applets and servlets. [Open Source, IBM Public License]

A JUnit based test framework for integration unit testing of server-side Java code (Servlets, EJBs, Tag Libs, Filters). Test runners integrate with Jetty, Eclipse, Ant or a Browser. Cactus tests are supported amongst others by JUnitEE, JBuilder and To...

Open source custom JSP tag library from Apache.

Cactus is a testing framework that allows you to create unit tests for your servlets.

Lightweight regular expressions pattern matcher. [Open Source, BSD-like]

A set of text-processing classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, and filtering filenames. This library is the open source succ...

Graphical server performance testing tool, for both static and dynamic resources (files or CGI, Servlets, Perl scripts). It may be used to simulate a heavy load on a server or network to test its strength or to analyse overall performance under differ...