My personal list (mostly imperative languages) C++: (Complex software with elegance + performance ) Dart source code V8 source code (Same people as Dart)

My personal list (mostly imperative languages) C++: (Complex software with elegance + performance ) Dart source code V8 source code (Same people as Dart) LevelDB Chrome (the only downside: too much virtual dispatch -> "javism") C: SQLite Redis Nginx Solaris and Freebsd Java: Rich Hickey implementation of the clojure runtime in Java (it was there in 2009.. maybe now this is in clojure itself??) Go: The Go standard libraries