Best New Mashups: Who’s Feeling Aggregated?

Adam DuVander, April 8th, 2010

FoursquareOne of the most powerful aspects of mashups is taking similar data from competing websites and providing a single place to examine the content. In this round-up of the best new mashups we’ll look at three apps that aggregate data from multiple services. One looks at location check-ins, another at shared photos and another mashes photos with information about where they were taken.

21 APIs Used in 7 Days: Amazon, Flickr, Foursquare, Google,, RPX, Twitter

John Musser, April 3rd, 2010

This past week 15 new mashups were added to our mashup directory and 21 different APIs were used to build them. Some of the newer or less frequently seen APIs include Cloudvox, Foursquare, Geolenz,, Kelkoo and Shopify. The most often used APIs this week are Google Maps, and Twitter. And the most commonly used types of APIs were Mapping (3 APIs, 10 mashups), Search (3 APIs, 3 mashups) and Photos (3 APIs, 3 mashups).

How to Make Sense of a User’s Geolocation

Adam DuVander, February 22nd, 2010

GeolenzThere is a new wave of mapping APIs that are helping developers provide better location feedback to users. These “reverse geocoders” do more than just return an address. Instead, they provide meaningful names associated with the place, such as a business. In some cases, it gets even more specific.

Follow the PW team on Twitter

APIs, mashups and code. Because the world's your programmable oyster.

John Musser
Founder, ProgrammableWeb

Adam DuVander
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.