Here is a list of known useful third-party tools and add-ons that are not included in the main distribution.
UrlRewriteFilter by Paul Tuckey (also hosted on GitHub) is a Filter that performs URL rewriting and redirections, and other typical tasks, like setting request attributes, headers or cookies.
It is similar to
mod_rewrite module of Apache HTTPD server.
SecurityFilter is a Filter that mimics container managed security.
Apache Shiro is a Java security framework that performs authentication, authorization, cryptography, and session management. It can be configured as a Filter to secure a web application.
Spring Security is a powerful and highly customizable authentication and access-control framework. It is usually used with Spring Framework. In simple configuration it may be used as a filter to perform both authentication and authorization. It also can be used to perform authorization control at business methods of an application, and to implement domain object security.
PropertySourcethat can be used with Tomcat. See FAQ/Password.
PSI Probe is advanced manager and monitor web application for Apache Tomcat.
(Historically, the name is a tribute to Lambda Probe project, which they continued as a fork. The original Lambda Probe project (www.lambdaprobe.org) closed more than 10 years ago (2006) and is not applicable to current versions of Tomcat).