From Alfega Technologies:
The free OpenWAML Viewer is a web application viewer for web applications written in WAML (Web application markup language). These applications look and feel like desktop applications, but are downloaded from a Web server. The advantage of such Web applications include: Easy roll-out to all users; Easy and quick "upgrades"; Once a bug is fixed in the application, all users have it immediately; Incremental release of application. People can start using the application when the main features are done. New features are available to users as you add it.