Etiquette is an interaction protocols construction tool. Etiuqette allows to describe communication in high-level and textually condensed fashion. Built-in support for debugging and error-handling policies is provided. Etiquette is written in Common Lisp.
Freefactor is a Java refactoring framework. It consists of a tool-independent refactoring system and an interface to allow it to be integrated with other tools. Currently a prototype Java-based tool is provided as well as bindings for Emacs.