IBM techexplorer is a plug-in for Netscape Navigator and Microsoft Internet Explorer, enabling the display of TeX, LaTeX, and MathML documents and the publishing of interactive mathematical and scientific material on the Web.
WiredX is an X Window System server written in pure Java(tm). WiredX enables you to access UNIX/X applications from all web browsers with Java Plug-in. WiredX accepts X window protocols directly, so you don't need any proxy program. Its "beta" and "Lite" versions are available for non-commercial/commercial use without fee.
JBuilder® 2008 continues to drive innovation and deliver value to Java developers by providing an enterprise-class IDE based on the Eclipse open source framework with support for the leading commercial and open source Java EE 5 application servers.
XPLSISNJASP (what a great name right?) is XMMS Visualization plugin. It is a LightShow via Parallel Port, but you can plug in your favourite electronic disasters (toasters, TVs, etc..) and let all jump and roast in rhythm of XMMS! ;-).