Pandorabots Chat Bot Interface is a learning tool for implementing AJAX to communicate between the browser and a server. The chat bot interface communicates via XML with a free chat bot you create and host at pandorabots.com. The client script controlls a div that records your ongoing conversation. The final product is an embedded chat bot in your Web site.
gwt-hibernate provides the basics to create a web application that uses GWT on the front end and Hibernate on the back end. It provides code generation templates and support classes that allow introspection, data binding, and validation of POJOs in the browser. Data-bound Form and Grid widgets are included.
File-Picker is a program to display and choose files from your Web site. It supports multiple languages. It uses AJAX to allow the user to interact with the server without reloading the page. You can pick several files at the same time. Its visual interface looks like a file explorer.
access.see.be is an accessibility library based on WAI-ARIA. Web developers can use it to enhance their applications with accessible rich interface elements. They can also create full accessible rich Internet applications without excluding users who depend on assistive technologies like screen readers.
Compare Ikea Prices is a Firefox addon that displays prices from Ikea stores in other countries and converts the prices to Euros. It works for most Eurozone countries. After installing, it has to be turned on by checking an "Enable price comparing" checkbox in Tools > Compare Ikea prices.