Perpetual Ocean shows ocean surface currents around the world during the period from June 2005 through Decmeber 2007. The visualization does not include a narration or annotations; the goal was to use ocean flow data to create a simple, visceral experience.
Elastic Search is an opensource, distributed, RESTful searchengine on top of Apache Lucene. See Github.
QGIS basics for journalists
From the Knight Digital Media Center comes this excellent QGIS walkthrough. It covers projections, vector maps, simplification, analysis, exporting and some more.
Another interesting tutorial is this one on how to use Google Refine to export arbitrary data to JSON.
Raphael.js and D3.js used to visualize Global Agenda Survey 2011
Global Agenda Survey 2011 was built with Raphael.js and D3.js.
Inkscape and D3.js
D3.js and Inkscape are a powerful information visualization couple, and this tutorial explains some details of how to integrate them into a workflow.
Big-ish Data with node.js, SQLite, Redis and Polymaps
A presentation by Tom MacWright about using node.js, SQLite, Redis and Polymaps.