International Components for Unicode for Java (ICU4J)
- Class library provides robust and full-featured Unicode services on a wide variety of platforms.
- http://icu.sourceforge.net/apiref/icu4j/

Prologia-I18N
- Tool allowing easy internationalization of Java source code. [Open source, GPL]
- http://prologia-i18n.sourceforge.net/

Programming Product Review | Send Java Around the World (Web Techniques, Sep 2000)
- Sun Java Internationalization and Localization Toolkit 2.0, and Multilizer Java Edition Pro 2.0.
- http://www.webtechniques.com/archives/2000/09/progrevu/

Bidi
- Bidi-RichEdit Control for Java is a styled text editor which supports multiple languages, including English, Arabic and Hebrew.
- http://www.alphaworks.ibm.com/aw.nsf/frame?ReadForm&/aw.nsf/techmain/EEEAD864EBEEBD778825671B00653382

Java Internationalization
- Overview from Sun.
- http://java.sun.com/j2se/1.3/docs/guide/intl/index.html

JDK 1.1 Internationalization
- Allows the development of localizable applets. Enhancements include the display of UNICODE characters, a locale mechanism, localized message support, locale-sensitive date, time, time zone and number handling, collation services, character set converters,
- http://java.sun.com/products/jdk/1.1/docs/guide/intl/index.html

Java Internationalization and Localization Toolkit 2.0
- A toolkit for rapid Java applications internationalization and localization development. It will reduce significantly the cost and time for internationalization and localization development.
- http://java.sun.com/products/jilkit/