Finally an alternative to STLinks. No Java, ActiveX or other plug-ins required.
Botstation Technologies will soon release a web-based client for Sametime messaging.
In difference to STLinks, this client does not require Java or ActiveX components installed on the user's computer.
With STAJAX users can pick online people from their buddy list and start interacting with them through text chat. Users can also change their own online status. More features might be included in the final release.
Here comes a screenshot of beta release taken in Firefox:
Click image to view full size