Combined search of Google, Yahoo! and Bing, combining results into a single grid and reordering results based on those found in more than one location. Multi-language support also offered.
Your Mashup not listed on ProgrammableWeb yet? Tell us about it and get listed.
flightwise (formerly fboweb.com)
Technorati Blog Search via Yahoo Pipes
Google and Yahoo Search for Pipes
Yahoo! Search API Tutorial
A Java wrapper for Bing Search API 2.0
Python Wrapper for Microsoft Bing API
BLinq -- Linq for Bing
Ruby Source for Yahoo BOSS
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.