SourceLabs debuts a self support suite for Linux and Java developers, testers, & administrators. It enables you to capture log events, exceptions, and core dumps; filter, and query these events through an easy-to-use-tool; and correlate these events against a repository of 16 million issues.
Tests based on cactus and junit for testing JSF applications while they are running. Includes help with performance analysis. Runs inside the container, which means full access to the system include FacesContext. This enables easier debugging.
SEAM is primarily designed to make EJB3 and JSF, two new J2EE technologies, work well together.
Some people argue that an architecture based on Spring is preferable.