Sebastiano Vigna has released a free-as-in-speech (LGPL) "full-text indexing system for large document collections written in Java. As a by-product, it offers several general-purpose optimised classes, including fast & compact mutable strings, bit-level I/O, fast unsychronised buffered streams, (possibly signed) minimal perfect hashing for very large strings collections, etc."
IBM's alphaWorks has released version 1.2.6 of the IBM Toolkit for MPEG-4, a Java class library for working with MPEG-4 video and audio. Version 1.2.6 can create players as lightweight rendering components.
Websina has released BugZero 4.1.8, a $1299 payware (+$300 for maintenance) Web-based bug tracking system that supports multiple projects, group-based access, automatic bug assignment, file attachment, email notification, and metric reports. Bug Zero is written in Java and can run on top of various backend databases including MySQL. 4.1.8 adds Unicode support for SQL Server databases.