The RedMonk Programming Language Rankings provides the top 20 languages by combined ranking:

JavaScript (+1) Java (-1) PHP C# (+2) Python (-1) C++ (+1) Ruby (-2) C Objective-C CSS (new) Perl Shell (-2) Scala (-1) Haskell R (1) Matlab (+3) Clojure (+5) CoffeeScript (-1) Visual Basic (+1) Groovy (-2)