Hey, there's a hackathon happening on april 14th, looks like it'll be more like a web-app hackathon, but if you want to try hacking on that using ParenScript, CSS-Lite, Hunchentoot, CL-JSON, etc... :-P You can sign up here: http://guestlistapp.com/events/87969 Not sure if I'll go, the APIs available look a little dull, no idea what you could do with them (APIs:, search engine metadata, ,, ) APIs: - image search/matching https://api.tineye.com/documentation - search engine metadata http://www.yellowapi.com/ - mp3 uploading/searching/playlists http://developers.soundcloud.com/docs - email contacts/files/sending http://context.io/how-it-works/api-overview - blog search/posts http://developers.atomicreach.com/ - invoicing/billing http://developers.freshbooks.com/?ref=header Common Lisp libraries for Web API hacking: - CL-JSON, http://common-lisp.net/project/cl-json/ - Hunchentoot, http server http://weitz.de/hunchentoot/ - HTML-TEMPLATE, http://weitz.de/html-template/ - DRAKMA, http client http://weitz.de/drakma/ -Rudolf O.