The Apache Project has released Geronimo 1.1.1, an open source J2EE application server. This release fixes numerous bugs. It's published under the Apache 2.0 license, natch.
The ObjectWeb Consortium has released ASM 3.0, "a Java bytecode manipulation framework. It can be used to dynamically generate stub classes or other proxy classes, directly in binary form, or to dynamically modify classes at load time, i.e., just before they are loaded into the Java Virtual Machine." Version 3.0 improves supports abstract and native methods, adds a new API for instruction lists in tree package, a new JSRInliner class, a CodeSizeEvaluator class, and adds several new methods to existing classes.
David Cranshaw has released SQLiteJDBC 028, a JDBC driver for the SQLite database. "It is written as a thin driver on top of the SQLite 3.3.x C API. The native JNI library has SQLite compiled into it so all you need to do is include the two files packaged above in your project." It's published under the BSD license. This release fixes bugs.