Right now this is the machinery surrounding my 'Esperanto-word-generator'. Uses affixes and some sanity/consistency checks to create new words.
https://twitter.com/corcra/status/664956449538383872
https://twitter.com/corcra/status/662758225171845120
https://twitter.com/corcra/status/662751656048730112
Affixes from: http://donh.best.vwh.net/Esperanto/affixes.html