That’s right, people. Barack Obama’s web team doesn’t just *use* open-source tools — Drupal in this case — they commit code and release modules to the community. Three of ’em.
Need to add spelling and grammar checking to any text area in your application? Here’s an open source way to do it, thanks to WordPress and Automattic.
Here’s the Guardian U.K.’s app for running a conference display of live tweets with *moderation* — call it curation, even — instead of just firehosing a hashtag up on the screen.
There it is. Now, build something useful.
The open source Twitter, as seen in action at identi.ca
A PHP/MySQL-based CMS, free and open, from the looks of it. Not sure if this is an old-school solution that Drupal or PHPNuke knock out of the water, but it looks pleasant enough at Duke City Fix.