Atmosphere vs Padrino: What are the differences?

Atmosphere: Realtime Client Server Framework for the JVM, supporting WebSockets and Cross-Browser Fallbacks Support. The Atmosphere Framework contains client and server side components for building Asynchronous Web Applications. The majority of popular frameworks are either supporting Atmosphere or supported natively by the framework. The Atmosphere Framework supports all major Browsers and Servers; Padrino: A powerful full-featured ruby framework built on top of the Sinatra. Padrino is a ruby framework built upon the excellent Sinatra Microframework. Padrino was created to make it fun and easy to code more advanced web applications while still adhering to the spirit that makes Sinatra great!.

Atmosphere and Padrino can be categorized as "Frameworks (Full Stack)" tools.

"Cross-Browse" is the primary reason why developers consider Atmosphere over the competitors, whereas "Microframework" was stated as the key factor in picking Padrino.

Atmosphere and Padrino are both open source tools. Atmosphere with 3.34K GitHub stars and 720 forks on GitHub appears to be more popular than Padrino with 3.21K GitHub stars and 497 GitHub forks.