ENhanced Scala Interaction Mode for Emacs
特点：
Highlight errors and warnings in your code buffers.
Inspect the type of any expression.
Browse packages
Completion for variables, methods, constructors, etc.
Incrementally search through classpath symbols
Find all references to a symbol
Jump to symbol definitions.
Semantic Highlighting
Automated Refactorings (rename, organize imports, extract method)
Source Formatting
AST-based selection
Supports sbt7,10,11
Supports Maven,Ivy build descriptions
Embedded sbt shell
REPL
Debug support
主页：https://github.com/aemoncannon/ensime
下载：https://github.com/aemoncannon/ensime/downloads
来自:开源中国社区
