Deploy web apps anywhere
A flexible framework for maintainable Ruby apps
Classy web-development dressed in a DSL
Complete Ruby geocoding solution
The Pedestal Server-side Libraries
Acceptance test framework for web applications
Marathon supports testing of Java/Swing and Java/Fx applications.
Rack-based nano framework
Task Scheduler for Java, Groovy, Javascript, python & ruby
Web development IDE in browser, supports Java, ruby, javascript...etc