I18N Tag Library  

The I18N custom tag library contains tags that help manage the complexity of creating internationalized web applications.

Price: Free

   Application Tag Library  

The Application custom tag library contains tags which can be used to access information contained in the ServletContext for a web application.

Price: Free

   Regexp Tag Library  

The Regexp custom tag library contains tags which can be used to perform Perl syntax regular expressions.

Price: Free

   For loop taglib  

Custom JSP tag. Lets you to program basic loops.

Price: Free

   Host scripts taglib  

Custom JSP tag. This tag allows you to execute scripts on your host.

Price: Free

   Coldtags suite  

Probably the largest collection of custom JSP tags.

Price: Free

   Kona  

Kona is a library of Java classes and JSP Custom Tags used to build Internet-enabled, browser-based business applications. Unlike other frameworks that add a layer of complexity to Java/J2EE/JSP, Kona organizes the existing J2EE features into an easily useable and highly productive development approach.

Price: Free

   JForma  

JForma is a sophisticated 'framework' designed to speed up application development by minimizing the levels of Java(TM) and SQL programming expertise required to create today's sophisticated HTML form based applications. It is possible to use this fully Java based application to efficiently produce your web based applications

Database: Oracle, Sybase, DB2, MS SQL Server, PostgreSQL
Price: Free