mewf is a collection of small, embeddable libraries for Java web development. Each library is standalone but easily embeddable and composable. mewf is à la carte.
toml4j parses the TOML configuration language.
humpty puts your web assets back together. Concatenate, minify, compile and optimise with extreme simplicity.
It has components for CoffeeScript, LESS and more.
formaliser converts Java objects to HTML forms and back.