WSO Mashup Server Version 1.5, an open-source product for deploying mashup services featuring Google Gadgets support and interfaces to relational databases and other data sources.
Piggy Bank is a Firefox extension that turns your browser into a mashup platform, by allowing you to extract data from different web sites and mix them together.
JavaScript, the programming language of the web browser, is not a secure language. Any script in a page has intimate access to all of the information and relationships of the page. This makes use of mashups and scripted advertising unacceptably risky.