PUBLIC MARKS from parmentierf with tags api & javascript

Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP/JSON API. Among other features, it provides robust, incremental replication with bi-directional conflict detection and resolution, and is queryable and indexable using a table-oriented view engine with JavaScript acting as the default view definition language.

The AJAX Libraries API is an attempt to make Web applications faster for developers in simple ways: * Developers won't have to worry about getting caching setup correctly, as we will do that for you * If another application uses the same library (much more likely), they there is a much better chance that it will be already caching on the users machine * The network and bandwidth of the users systems will not be taxed.

OpenSocial provides a common set of APIs for social applications across multiple websites. With standard JavaScript and HTML, developers can create apps that access a social network's friends and update feeds.