AIIXtensions is a collection of advanced extensions that makes things simple and efficient by utilizing the "Just Do It" principle. SQL Query: displays a database query result in a module position. DOM Master: manipulates a page DOM.
μMarkup is a Java library designed to ease the pain of markup generation. It is lightweight, reasonably fast, and very simple, and covers the boring, common, and tedious "90%" use cases with an API which is pleasant to use.