Joe Walker

DWR (Direct Web Remoting) is Easy Ajax for Java DWR enables Java code on the server and JavaScript code in a browser to interact and call each other as simply as possible, making it easy for developers to add data into web pages. DWR generates JavaScript to allow web browsers to securely call ... [More] into Java code almost as if it was running locally. It can marshall virtually any data including collections, POJOs, XML and binary data like images and PDF files. All that is required is a security policy defining allowed actions. With Reverse Ajax, DWR allows two-way interaction: browser calling server and server calling browser. DWR supports Comet, Polling and Piggyback as ways to publish to browsers. [Less]

Bespin is a Mozilla Labs experiment that proposes an open, extensible web-based framework for code editing that aims to increase developer productivity, enable compelling user experiences, and promote the use of open standards.

GCLI is a command line component. It is used in Firefox Developer Tools/Skywriter/Ace/etc It can be easily embedded in any web page and JavaScript application.