Echo3 has had a very long beta phase and the 3.0 release is rock solid and incredibly stable. It is being successfully used in multiple large scale enterprise applications.
Echo3 highlights
1. Fast, scalable and stable 2. Light-weight (less than 1MB JARs, no dependencies) 3. Hybrid Java/JavaScript programming model Develop pure client side or server side web applications 4. Advanced features such as sever side push, tab focus management 5. Component based and very intuitive API 6. Eclipse plugin for visual editing and Maven artifacts available 7. Manages quirks & supports legacy browsers
The project has recently seen a lot of activity powered by current Echo3 users who recognize the strength and quality of Echo3 in contrast to its competitors and who want to see Echo3 develop further.
Planning for 3.1 is currently underway as is an update of the website, forums, etc.
To find out more about Echo3 visit http://echo.nextapp.com or find us on GitHub https://github.com/echo3