I don't know about hot and trendy, but these are a few open source projects that come to mind that make my life and work much, much easier: Drupal jQuery (

I don't know about hot and trendy, but these are a few open source projects that come to mind that make my life and work much, much easier: Drupal jQuery (included in Drupal) Xdebug EtherPad Adium Miro Quicksilver Clyppan