Articles:
Two most visited stackoverflow page:- http://stackoverflow.com/questions/1314732/scala-vs-groovy-vs-clojure
- http://stackoverflow.com/questions/711913/what-are-the-key-differences-between-scala-and-groovy
- Java vs. Scala vs. Groovy - Performance Update by Nick Wiedenbruck
- Fun Works: Java vs Groovy vs Scala Simple Performance Test
- and Retest with Groovy2
- Groovy 2.0 Performance compared to Java
- Twitter on Scala by Bill Venners
- Scala as the long term replacement for java/javac? by James Strachan
- A few good links from one discussion on scala-debate
- The Computer Languages Benchmark Game at shootout.alioth.debian.org
- Tim Bray's WideFinder2 log-file-parsing test
- Google Publishes C++, Go, Java and Scala Performance Benchmarks
- Google search past year groovy vs scala
- Java.next: The Java.next languages
Google Trend:
Google TrendsOpenhub Source Code Commit Trend:
https://www.openhub.net/languages/compare?language_name[]=clojure&language_name[]=groovy&language_name[]=scalaJob Trend:
Salary Trend:
http://www.indeed.com/salary?q1=groovy&l1=10011&q2=scala&l2=10011&q3=jRuby&l3=10011