Syntax Tree Generator

http://mshang.github.com/syntree/

Discourse Parsing

Sentence-based level:
SPADE: http://www.isi.edu/licensed-sw/spade/

Text-base level:
HILDA: http://nlp.prendingerlab.net/hilda/
NUS demo: http://wing.comp.nus.edu.sg/~linzihen/parser/demo.html

(to be continued!)