We've assembled a dozen or so single-page demos in some of the technologies we currently work with and have worked with previously. Links to the sources are included in each page.
WEBDiagrams JavaScript Demos
HTML pages showing the WEBDiagrams JavaScript calendar and diagram components operating client-side in the browser. View the WEBDiagrams demos...
JSF Demos
JSF diagram components showing Ajax-driven dynamically generated diagrams in JSF web applications with Facelets pages. View the JSF demos...
Swing Demos
Swing diagram components in Java applets and Java Web Start applications (requires a Java 1.6 runtime or browser plugin.) View the Swing demos...