Open AJAX – Alternatives Show Up

It is interesting to see how quickly a counter move develops in the industry. It used to be months. Now it is days. Open AJAX was announced just a few days ago.
Tibco, Adobe offer open-source AJAX alternatives

Moving to AJAX is a logical evolution of Flash, combining the interactivity of Flash and the connectivity of web applications.

Strictly speaking, these are not alternatives to Open AJAX as a standard.