Kawa is a full Scheme implementation. It implements almost all of R5RS (for exceptions see Restrictions), plus some extensions.
NunniMJAX is a minimal java library for parsing XML. The API and functioning recall SAX and is sequential and event-driven. The parser strives to verify that the XML is well-formed, but no validation. NunniMJAX's FSM has been generated using NunniFSMGen