Very impressed with Solr and the development community behind it. http://lucene.apache.org/solr/

1.5 days of research, submitted bug and resulting immediate patch and I have a fully functional search engine for a project at work.

If you’ve ever thought it would be nice to have your very own google type appliance, I highly recommend you check out solr and the underlying IR engine: lucene.

This talk was centered around adding channels of communication such as SMS and XMPP to existing HTTP web services.A project called Extapi, is a small web app that manages this coordination between multiple channels and services.here are the slides for my presentation given on November 14th 2008 at PHP|Works