Early Fruits of International Open Data Day 2013

This past Saturday was International Open Data Day, and with it came hackathons hosted in dozens of cities on five continents all simultaneously tinkering with apps, visualizations, data catalogs and new standards built on the world’s growing trove of public data. Of course, put a bunch of mapping geeks and civic hackers in a room – many rooms, all over the world – and they will also map themselves. Here’s just one cropped snapshot of where coders were (voluntarily) at work on Saturday:

We've rounded up some of the weekend's vast output here, although plenty of projects are still ongoing (or involved the less sexy task of scraping data off government websites).